Bright Comet May Be Visible to Naked Eye in March

A comet that shines as brightly as the stars of the Big Dipper could be heading our way in March, scientists say.

After a long journey from the outer reaches of the solar system, the Comet Pan-STARRS is expected to whiz by about 100 million miles from Earth, skimming the orbit of Mercury, early next month.

The comet could fail to put on a dazzling show if it falls apart under the intense heat and gravitational pull of its plunge toward the sun. But if it survives, Comet Pan-STARRS might send an amazing stream of gas and dust into the night sky, according to scientists with NASA and other observatories.

“Because of its small distance from the sun, Pan-STARRS should be very active, producing a lot of dust and therefore a nice dust tail,” astronomer Matthew Knight of the Lowell Observatory in Arizona said in a statement. [Photos: Comet Pan-STARRS Could Light Up March Sky]

“However, it could still be difficult to see,” Knight added. “From our point of view on Earth, the comet will be very close to the sun. This means that it is only observable in twilight when the sky is not fully dark.”

The comet comes from the Oort Cloud, a shell of icy bodies thought to surround the outer solar system. Interactions with passing stars, molecular clouds and gravity from the galaxy sometimes sends these distant bodies falling inward toward the sun. Comets from the Oort Cloud are like pristine time capsules from the solar system’s early life, packed with virgin icy material that has been untouched by the warmth and light of the sun.

Comet Pan-STARRS was discovered in June 2011 by the Panoramic Survey Telescope & Rapid Response System, or Pan-STARRS telescope, in Hawaii, which scans the sky for potentially dangerous asteroids and comets that could pose an impact threat to Earth. The cosmic snowball will make its nearest approach to Earth on March 5, when it will come be about 100 million miles (160 million kilometers) away. On March 10, the comet makes its closest approach to the sun.

But astronomers say the best time to look for it might be at sunset March 12 and 13, when the comet will appear not far from the crescent moon.

“My guess is that the primary feature visible to the naked eye will be the gaseous coma around the head of the comet,” Knight said. “The comet’s tail will probably require binoculars or a small telescope.”

Astronomers are also keeping an eye on another sun-grazing comet that could shine as bright as the moon and may even be visible in broad daylight later this year. If it delivers on its promise, the Comet ISON is expected to peak in late November.

“Two bright comets in one year is a rare treat,” Karl Battams of the Naval Research Lab said in a statement. “This could be good.”

Editor’s note: If you snap an amazing photo of Comet Pan-STARRS in the night sky, or any other celestial object, and you’d like to share for a possible story or image gallery, please send images and comments, including location information, to managing editor Tariq Malik at [email protected]

Follow SPACE.com on Twitter @Spacedotcom. We’re also on Facebook and Google+.

Copyright 2013 SPACE.com, a TechMediaNetwork company. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.
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Why I dread Chinese New Year

Kids see Chinese New Year through rose-tinted glasses.

STORY HIGHLIGHTS

• Zoe Li: As an adult, Chinese New Year is an annual nightmare


• It's a time when relatives have the right to be judgmental


• Superstitious Chinese New Year foods often aren't that tasty

(CNN) -- For me, Chinese New Year used to be fun.

When I was a kid, I was excited during Chinese New Year when I got lai see and I could stay up late. I even had access to candy, a once-a-year treat while living under the roof of my Tiger Mom.

Riding strong on the sugar highs, I always thought to myself, this is what it must feel like to be an adult. I was flush, free and giddy.

Then at some point in my twenties, Chinese New Year became a chore. Not any garden variety chore, but a cold-sweat-inducing family obligation that I try hard to avoid.

As an adult, Chinese New Year is an annual nightmare, for the following reasons:

1. I find it sucks when you are single

Single twenty-something? Smile while you can until the interrogation begins.

Relatives feel that they have a right to judge you because you do share bits of DNA, so, really, it's almost like they're judging themselves.

Typically, the extended family gathers for Chinese New Year and spends an inordinate amount of time together, during which people get bored and focus their restlessness on judging the younger generation, particularly those who are single.

Singledom means a lack of responsibilities and responsibility-free people need to be reined in by the wisdom of elders, or they will be reckless with their directionless lives.

Here are some unavoidable conversations at Chinese New Year. By "conversations" I really mean monologues by one Wise Elder or another, fired away at a particular Single Younger in a trance-like manner:

"Why don't you have a boyfriend? If you have a boyfriend, why don't you get married?"

"Why are you not dieting at least a little bit? Second Cousin Yong Yong will have to start bringing clothes from America for you."

"What happened to your hair? Blue is not such a good color for us Chinese people."

"Are you saving up for an apartment? Why not? The most important thing in life is to have a roof over your head. You don't want to be homeless, do you? What if the economy collapses again? At least you will have an apartment."

"Why don't you get a better paid job? You are wasting your talent. You will regret your life."

2. I am employed

I loved the great Chinese tradition of gifting lai see. Getting HK$20 for no reason other than tradition really rocked my seven-year-old world.

I have an income now, so twenty bucks here and there doesn't make a huge difference, but I still retain that childhood anticipation for the red packets. It's just a bit disappointing when I open up an envelope and it isn't concealing a massive check.

And it's the guilt from feeling disappointed that makes me really hate Chinese New Year for making me hate myself.

It's just like being unable to conceal your letdown expression when unwrapping that pair of socks at Secret Santa parties.

Gifting is a heartwarming tradition. It's the thought that counts. I am not supposed to care. I am a bad person.

There's even worse.

Chinese New Year gambling is just out of hand.

Now that I have a job, I'm expected to bet real money at The Mahjong Table, a no man's land filled with hidden agendas, treacherous scheming and Janus-faced traitors.

If you beat your elder relatives at mahjong one too many times, beware their wrath. It really hurts when you get hit by a mahjong tile.

If you lose on purpose to your elders and are unable to skillfully conceal your purposefulness, you risk looking patronizing.

It will put them in a bad mood and lead to a vengeful "what are you doing with your life" interrogation later. See point number one.

If you're simply crap at the game, you lose a load of money and will probably be judged for being not very intelligent. See point number one again.

3. I like good food

Chinese New Year cake is good only when it's homemade.

When foreigners make jokes about Chinese eating weird foods, I cringe.

When Chinese New Year comes around, I'm the one making the damn jokes.

At this time of year, we do get some incredible festive dishes.

And then there are those odd ones that make you feel like the taste, texture and nutritional content of food have all become irrelevant -- we only eat for superstitions.

Lots of Chinese New Year foods are auspicious in meaning, but atrocious in taste. I propose that we at least get rid of these three that are now out of touch with our lives:

Chinese New Year cake

Called "leen go" in Cantonese ("niangao" in mainland China), the name sounds auspicious and means "to progress more and reach higher every year."

The cake is made from glutionous rice, sugar and flavored with red bean paste or jujubes. Cut into thin slices, dip into beaten eggs and pan fry until it's gooey on the inside and crisp on the outside.

The problem is, no one makes these at home anymore and the store-bought version is bland and stodgy, like eating slices of caulking.

Since glutinous rice is considered difficult to digest for the elderly, us Single Youngers who have nothing to lose are forced to finish the plateful.

Sugared lotus seeds

Back in the day -- before globalization brought us jelly beans and Sugus, before the invention of Coca-Cola, before Christopher Columbus brought cocoa beans to the Old World -- eating sugar-coated lotus seeds during Chinese New Year seemed like a good idea.

Today, we have so many more delicious ways to feed our sweet tooth, so why do people still buy sugared lotus seeds?

They look like mothballs, taste one dimensional and feel like a marble of sand broken upon the tongue.

The name "leen tsi" sounds like "to birth sons each year." No one in the family likes to eat them and most of them already have kids, which means us Single Youngers have to swallow.

Gok tsai

These are deep-fried sweet dumplings. The skin is a thick, lifeless pastry made from lard, the filling is a mind-numbingly sweet blend of sugar and nuts.

Its shape and color makes it, somewhat, resemble a gold ingot. Eating these symbolize prosperity for the new year.

If I had to run a marathon, I might appreciate the fat bomb. But the only thing that I run are scripts on my browser.

That point, like the others in this post, is lost on the Wise Elders, wise as they are.

The opinions expressed in this commentary are solely those of Zoe Li. A former CNN employee, Zoe is a Hong Kong resident and edits the Hong Kong section of BLOUIN ARTINFO.

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Blizzard packing more than 2 feet of snow reaches Northeast

The leading edge of a powerful storm expected to bring driving winds and more than 2 feet of snow, along with the potential for coastal flooding, reached the Northeast early this morning, canceling thousands of flights in its wake.

Blizzard warnings were in effect from New Jersey through southern Maine, with Boston expected to bear the brunt of the storm. The day began with light snow and winds that were due to pick up with much heavier snowfall by afternoon.

"The snow has taken over and it is accumulating," said FOX CT meteorologist Joe Furey in Hartford, Conn. "This is really serious. This is a storm that can cripple all of southern New England. A blizzard is not about the amounts of snow. A blizzard is about sustained winds or frequent gusts of 35 mph or higher over three hours or longer."

Connecticut Gov. Dannel P. Malloy said he will declare a state of emergency.

"People need to take this storm seriously. If current predictions are accurate, we will need people to stay off the roads so that emergency personnel and utility crews can get to the places they need to get to, and to make sure that our plows can keep critical roadways clear," Malloy said.

"Please stay home once the weather gets bad except in the case of real emergency."

In New York City, still not fully recovered from the effects of October's devastating Hurricane Sandy, officials said they had 1,800 Sanitation Department trucks equipped with snow plows ready to be deployed.

Motorists, mindful of the severe fuel disruptions after Sandy, rushed to buy gasoline, leading to shortages in New York City. A Reuters photographer reported at least three service stations had run out of gas in the borough of Queens on Friday morning, with long lines formed at others.

Sandy knocked out power to hundreds of thousands of homes, taking gasoline stations out of service, and damaged port facilities, exacerbating the shortages by preventing operable stations from refueling.

"You always get long lines ahead of a storm, but as the wounds from Hurricane Sandy are still so fresh, it's not surprising that people are rushing to fill up," said Michael Watt, executive director of the Long Island Gasoline Retailers Association. "It's understandable. Even people like me who would normally think it was foolish to panic buy will be thinking about it."

Boston and surrounding communities said schools would be closed on Friday, and city and state officials told nonessential city workers to stay home.

Officials across the region ordered nonessential government workers to stay home, urged private employers to do the same, and told people to prepare for power outages and encouraged them to check on elderly or disabled neighbors.

In New Jersey, also hit hard by Sandy, state officials expected major coastal flooding, high winds, and possible blizzard conditions in the northeastern section of the state.

"This is a dangerous storm, and we ask motorists to be careful while driving," said Colonel Rick Fuentes, director of the New Jersey Office of Emergency Management. "(The) evening commute will be treacherous throughout much of New Jersey."

The National Weather Service, warning of a "major, maybe even historic, snowstorm," said Boston and much of New England could get up to three feet of snow on Friday and Saturday, its first heavy snowfall in two years. Winds could gust as high as 60 miles to 70 mph. If more than 18.2 inches of snow falls in Boston, it will rank among the city's 10 largest snowfalls. Boston's record snowfall, 27.6 inches, came in 2003.

Cities from Hartford, Connecticut, to Portland, Maine, were expected to see at least one foot of snow.

Airlines have canceled more than 3,000 flights for Friday, according to website FlightAware.com, with the largest number of cancellations at airports in Newark, New Jersey; New York City; Chicago and Boston.

Another 881 flights were canceled for Saturday, according to the flight-tracking site.

Boston's Logan International Airport warned that once the storm roars in, all flights would likely be grounded for 24 hours.

United Continental Holdings Inc, JetBlue Airways Corp and Delta Air Lines Inc all reported extensive cancellations.

For some in the Boston area, the forecast brought to mind memories of the blizzard of 1978, which dropped 27.1 inches, the second largest snowfall recorded in the city's history. That storm started out gently and intensified during the day, leaving many motorists stranded during the evening commute.

Dozens of deaths were reported in the region after that storm, many from people touching downed electric lines.

Officials warned of a high risk of extensive power outages across the region due to the combination of heavy snow and high winds. Residents were also at risk of losing heat at a time when temperatures would dip to 20 degrees. Across the region, store shelves were picked clean of food and storm-related supplies such as shovels and salt as residents scrambled to prepare.

Some big employers said they were considering pleas by officials to let workers stay home, including State Street Corp, one of Boston's largest employers in the financial sector.

Reuters and the Hartford Courant

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Violence mars funeral of slain Tunisian opposition leader

TUNIS (Reuters) - Police and mourners clashed at the mass funeral on Friday of secular opposition leader Chokri Belaid, whose assassination has plunged Tunisia deeper into political crisis.

Braving chilly rain, at least 50,000 people turned out to honor Belaid in his home district of Jebel al-Jaloud in the capital, chanting anti-Islamist and anti-government slogans.

It was Tunisia's biggest funeral since the death of Habib Bourguiba, independence leader and first president, in 2000.

Violence erupted near the cemetery as police fired teargas at demonstrators who threw stones and set cars ablaze. Police also used teargas against protesters near the Interior Ministry, a frequent flashpoint for clashes in the Tunisian capital.

Tunisia, cradle of the Arab uprisings, is riven by tensions between dominant Islamists and their secular opponents, and by frustration at the lack of social and economic progress since President Zine al-Abidine Ben Ali was ousted in January 2011.

Belaid's assassination has shocked a country which had hitherto experienced a relatively peaceful political transition.

"The people want a new revolution," shouted mourners in Tunis, who also sang the national anthem.

Crowds surged around an open army truck carrying Belaid's coffin, draped in a red and white Tunisian flag, from a cultural center in Jebel al-Jaloud towards the leafy Jallaz cemetery, as a security forces helicopter flew overhead.

"Belaid, rest in peace, we will continue the struggle," mourners chanted, holding portraits of the politician killed near his home on Wednesday by a gunman who fled on a motorcycle.

Some demonstrators denounced Rachid Ghannouchi, leader of the ruling Islamist Ennahda party. "Ghannouchi, assassin, criminal," they chanted. "Tunisia is free, terrorism out."

Police fired teargas to disperse anti-government protesters throwing stones and petrol bombs in the southern mining town of Gafsa, a stronghold of support for Belaid, witnesses said.

Crowds there had chanted "The people want the fall of the regime", a slogan first used against Ben Ali.

CRADLE OF REVOLT

In Sidi Bouzid, the southern town where the revolt against the ousted strongman began, about 10,000 marched to mourn Belaid and shout slogans against Ennahda and the government.

Banks, factories and some shops were closed in Tunis and other cities in response to a strike called by unions in protest at Belaid's killing, but buses were running normally.

Tunis Air suspended all its flights because of the strikes, a spokesman for the national airline said. Airport sources in Cairo said EgyptAir had canceled two flights to Tunisia after staff at Tunis airport joined the general strike.

After Belaid's assassination, Prime Minister Hamdi Jebali, an Islamist, said he would dissolve the government and form a cabinet of technocrats to rule until elections could be held.

But his own Ennahda party and its secular coalition partners complained they had not been consulted, casting doubt over the status of the government and compounding political uncertainty.

No one has claimed responsibility for the killing of Belaid, a lawyer and secular opposition figure.

His family have blamed Ennahda but the party has denied any hand in the shooting. Crowds have attacked several Ennahda party offices in Tunis and other cities in the past two days.

"Hope still exists in Tunisia," Fatma Saidan, a noted Tunisian actor, told Reuters at Belaid's funeral. "We will continue to struggle against extremism and political violence."

She called for national unity, saying: "We are ready to accept Islamists, but they don't accept us."

SECULAR SYMBOL

While Belaid had only a modest political following, his criticism of Ennahda policies spoke for many Tunisians who fear religious radicals are bent on snuffing out freedoms won in the first of the revolts that rippled through the Arab world.

Secular groups have accused the Islamist-led government of a lax response to attacks by ultra-orthodox Salafi Islamists on cinemas, theatres and bars in recent months.

The economic effect of political uncertainty and street unrest could be serious in a country which has yet to draft a new constitution and which relies heavily on the tourist trade.

Mohamed Ali Toumi, president of the Tunisian Federation of Travel Agencies, described the week's events as a catastrophe that would have a negative impact on tourism, but he told the national news agency TAP no cancellations had been reported yet.

France, which had already announced the closure of its schools in Tunis on Friday and Saturday, urged its nationals to stay clear of potential flashpoints in the capital.

The cost of insuring Tunisian government bonds against default rose to its highest level in more than four years on Thursday and ratings agency Fitch said it could further downgrade Tunisia if political instability continues or worsens.

(For an interactive look at Tunisia please click on http://link.reuters.com/tub85t)

(Additional reporting by Alexander Dziadosz in Cairo and Brian Love in Paris; Editing by Jon Boyle)

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Wall Street falls on renewed worries about Europe's economy

NEW YORK (Reuters) - Shares fell on Thursday after the euro currency dropped against the safe-haven dollar and yen, raising worries about Europe's outlook and curbing investors' appetite for risky assets, such as stocks.

The euro sank against the dollar and yen after European Central Bank President Mario Draghi said the exchange rate was important to growth and price stability, which investors took as a sign the bank is concerned about the euro's advance in recent days.

U.S. stocks have been in an uninterrupted uptrend for most of the year, with the S&P 500 gaining more than 5 percent for the year.

"The market is a bit shaky on the back of some of the Draghi comments" amid worry the strength of the euro might hamper economic recovery, said Andre Bakhos, director of market analytics at LEK Securities in New York.

"Whether this ignites renewed concerns about the euro debt struggles and Europe in general is yet to be seen, but the market is looking for any reason to take a profit. It is just consolidating near multiyear highs, taking a respite before we advance higher."

The Dow Jones industrial average <.dji> was down 97.57 points, or 0.70 percent, at 13,888.95. The Standard & Poor's 500 Index <.spx> was down 9.62 points, or 0.64 percent, at 1,502.50. The Nasdaq Composite Index <.ixic> was down 23.22 points, or 0.73 percent, at 3,145.26.

Housing and retail stocks were the day's biggest decliners. The housing sector index <.hgx> was off 1.5 percent and the S&P housing index <.spxrt> was off 0.9 percent.

Top U.S. retailers reported strong January sales after offering compelling merchandise that drew in shoppers facing a hit to their take-home pay from higher payroll taxes.

Macy's Inc rose 1.1 percent to $39.94 after reporting January same store sales rose 11.7 percent.

But Ann Inc dropped 7.1 percent to $30.48 after forecasting fourth-quarter sales below analysts' expectations.

Fund manager David Einhorn's Greenlight Capital on Thursday said it has sued Apple Inc and said the company needs to do more to unlock value for shareholders. Apple shares gained 0.2 percent to $455.73 after rising about 1 percent earlier.

Akami Technologies Inc lost 16.4 percent to $34.78 as the worst performer on the S&P 500 after the Internet content delivery company forecast current-quarter revenue below analysts' expectations.

Weekly initial jobless claims dipped last week, with the four-week moving average falling to its lowest level since March 2008, signaling the economy continues to recover slowly.

A separate report said fourth-quarter productivity registered its biggest drop in nearly two years, while unit labor costs jumped 4.5 percent, more than economists expected.

According to Thomson Reuters data through Thursday morning, of 317 companies in the S&P 500 that have reported earnings, 69 percent have exceeded analysts' expectations, above a 62 percent average since 1994 and 65 percent over the past four quarters.

Fourth-quarter earnings for S&P 500 companies rose 5 percent, according to the data, above a 1.9 percent forecast at the start of the earnings season.

(Additional reporting by Chuck Mikolajczak; Editing by Kenneth Barry)

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USADA says it's been in touch with Armstrong

AUSTIN, Texas (AP) — The U.S. Anti-Doping Agency has been in contact with Lance Armstrong and is giving him more time to decide if he wants to cooperate with its investigators and tell more about what he knows of doping in cycling.

USADA, the agency that investigated the cyclist's performance-enhancing drug use and banned him for life from sports, has given him an extra two weeks to work out an interview with investigators under oath.

"We have been in communication with Mr. Armstrong and his representatives and we understand that he does want to be part of the solution and assist in the effort to clean up the sport of cycling," USADA chief executive Travis Tygart said in a statement. "We have agreed to his request for an additional two weeks to work on details to hopefully allow for this to happen."

The agency has said cooperating in its cleanup effort is the only path open to Armstrong if his ban is to be reduced.

Separately, Armstrong has been warned he's about to get sued.

SCA Promotions in Dallas said it will sue Armstrong on Thursday to recover more than $12 million it paid him in bonuses for winning the Tour de France seven times.

SCA Promotions tried to withhold the bonuses in 2005 amid doping allegations against the cyclist. The company wants its money back, plus fees and interest, now that Armstrong has admitted he used performance-enhancing drugs and has been stripped of those victories.

Armstrong testified under oath in 2005 that he didn't use steroids, other drugs or blood doping methods to win. SCA said the lawsuit will be filed in Dallas.

"Mr. Armstrong's legal team and representatives claimed repeatedly that SCA would only be entitled to repayment if Mr. Armstrong was stripped of his titles, and since that has now come to pass, we intend to hold them to those statements," the company said.

Armstrong attorney Tim Herman did not immediately respond to messages.

Also on Wednesday, the federal Food and Drug Administration said it is not investigating Armstrong. FDA spokeswoman Sarah Clark-Lynn made the statement following stories by ABC News and USA Today Sports.

Quoting an unidentified person that it called a "high-level source," ABC said that federal agents are actively investigating Armstrong for obstruction, witness tampering and intimidation. On Wednesday, USA Today Sports reported that the FDA "is investigating the Lance Armstrong case."

The news reports came after a statement by U.S. Attorney Andre Birotte, whose office conducted a criminal investigation of Armstrong, closing the inquiry a year ago without bringing any charges. Armstrong subsequently admitted to the drug use he long denied after USADA went ahead with its own investigation.

Birotte said that "we've been well-aware of the statements that have been made by Mr. Armstrong and other media reports. That has not changed my view at this time. Obviously, we'll consider, we'll continue to look at the situation, but that hasn't changed our view as I stand here today."

Justice Department spokeswoman Tracy Schmaler declined to say whether any other component of the department is investigating Armstrong.

___

Associated Press writer Pete Yost in Washington contributed to this report.

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Bring drones out of the shadows?

STORY HIGHLIGHTS

• John Brennan's confirmation hearing is a chance to ask about drone program, author says


• Sarah Holewinski: Brennan is one of a few officials who knows full story on drones


• She says senators need to ask about damage drone program does to civilians, U.S. reputation


• Holewinski: CIA should hand over drone program to Defense Department

Editor's note: Sarah Holewinski is executive director of the Center for Civilians in Conflict, which advocates protections for civilians affected by armed conflict. She was a member of the White House AIDS policy team in President Bill Clinton's second term.

(CNN) -- The president's pick for CIA director -- John Brennan -- is one of a handful of U.S. officials who understands America's covert drone campaign inside and out.

Nearly everyone else is in the dark about the whos, wheres and whys of the program, including most members of Congress. But Brennan is also one of the few U.S. officials who's stood in front of a public audience and tried to explain the targeting of terrorists outside recognized battlefields. And while overseeing a massive use of lethal force, Brennan is also known inside the administration as a moderating voice in the fight against terrorism.

Sarah Holewinski

The fact is, Brennan's personal views are as opaque as the drone campaign itself. He may assume leadership of the CIA and decide a clandestine agency should not conduct what is an obvious military operation (a stance I and many others would fully support); after all, a veteran of the CIA may believe the agency should get back to gritty intelligence gathering.

Or, maybe Brennan believes that when it comes to the fight against al Qaeda, the public and its Congress should trust the executive office to protect the American people by whatever means it sees fit.

One way or the other, this week's Senate confirmation hearings should be an opportunity to bring Brennan's views out of the shadows, along with the basic attributes and justifications of the covert drone campaign. The man, the machine and the policy are inextricably linked.

Bergen: John Brennan, America's drone warrior

U.S. officials have consistently claimed that offering too many details about the covert drone program could threaten national security. Fair enough; some classification for national security is understandable. But the secrecy surrounding covert drone use is unduly excessive and not in keeping with the transparent government President Barack Obama promised.

Since the bulk of Brennan's hearing will be behind closed doors, the Senate Select Committee on Intelligence has no reason to shy away from asking tough questions about the drone program. It matters that Congress is there to represent the American people. On their behalf, Congress has a duty to ensure the use of lethal force beyond our borders is being considered and carried out responsibly, with due consideration for the harm it may inflict on civilian populations.

Talk Back: Should U.S. be able to kill American terrorist suspects without trial?

Senators might ask a very basic question to Brennan, one that is seldom clearly answered by the administration: "What impact is the drone campaign against al Qaeda and its associates having?"

John Brennan, President Barack Obama's choice for CIA director, has been deeply involved in the U.S. drone program.

This is a fundamental question of accountability any U.S. official involved in setting or carrying out counterterrorism policy should be able to answer. That answer may describe a dwindling kill list, but it must also put forward facts about what impact drones are having on civilians living under them.

U.S. armed forces in Afghanistan and Iraq learned that the positive or negative impacts of an operation on the local population are an important metric of mission effectiveness. Commanders worked hard to reverse anti-American sentiment caused by a seemingly callous U.S. attitude toward civilian deaths and injuries. In the case of counterterrorism operations, palpable anger toward America would be antithetical to the goal of decreasing the number of terrorists and those who support their cause.

As it stands, it's unclear whether anyone, including Brennan, knows what negative consequences are emerging on the ground because of remote drones.

Rather, claims of low civilian casualties and drone precision capabilities paint a picture of extreme effectiveness in taking out terrorists while sparing civilians. It's true that a drone is precise, meaning it will hit what it is aimed at -- a building, a bunker or a person. But there are valid concerns about whether the target hit is the right one.

Opinion: When are drone killings illegal?

Remote drones likely rely on sources that may be questionable such as video and cell phone intercepts to identify a target. Civilians may be mistakenly targeted as combatants and counted as such because there are no ground troops to conduct a battle damage assessment, interview witnesses or properly identify bodies.

Civilians may also get caught up in so-called "signature strikes" in which operators target individuals based on behavior, not on known identity. This is legally questionable but also has real ramifications for civilians living under drones.

If a civilian in Pakistan doesn't know what behavior makes him a target for U.S. drones, he cannot fully protect himself and his family. If a drone harms his family, even mistakenly, our research shows they won't receive an apology, explanation or any help from the United States. Certainly there will be no love lost for America.

Any deaths and injuries are compounded by psychological trauma, displacement and fear and suspicion among neighbors. One Pakistani told us, "We fear that the drones will strike us again. ... My aged parents are often in a state of fear. We are depressed, anxious and constantly remembering our deceased family members."

Gen. Stanley McChrystal, the former commander of international forces in Afghanistan, recently noted, "What scares me about drone strikes is how they are perceived around the world. ... (T)he resentment created by American use of unmanned strikes ... is much greater than the average American appreciates. They are hated on a visceral level, even by people who've never seen one or seen the effects of one."

The drone program needs to come out of the shadows, with explanations about who is a civilian, who is a target, and how drone operators distinguish between the two.

The CIA should get out of the drone operation business, handing it over to the Defense Department, which has a culture of learning lessons, accountability to Congress and a new openness about civilian protection after 10 years of war in Afghanistan and Iraq.

Drone operators should be trained in civilian protection best practices, and any civilian harmed should receive recognition and help for their losses, in accordance with the values American policymakers have espoused about humanity even during times of war.

The Senate may confirm Brennan as head of the CIA. It should also confirm where he stands on government accountability for lethal force and the CIA's role in the remote drone program.

Follow us on Twitter @CNNOpinion.

Join us on Facebook/CNNOpinion.

The opinions expressed in this commentary are solely those of Sarah Holewinski.

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Ex-L.A. police officer suspected in cop killing, other slayings

A manhunt is under way for a double murder suspect, himself a former LAPD officer, after three officers were shot overnight, one fatally.

Authorities in California launched a statewide manhunt for a former Los Angeles police officer suspected in the Thursday morning shooting of three police officers after he threatened "warfare" on cops, the Los Angeles Times reported.

Former officer Christopher Dorner, 33, was suspected in the shooting of three police officers, one of them fatally, early Thursday, police said.

On Wednesday, police named Dorner as a suspect in the shooting deaths of the daughter of a former L.A. police captain and her fiance, whose bodies were found on Sunday.

"The violence of action will be high. ... I will bring unconventional and asymmetrical warfare to those in LAPD uniform whether on or off duty," Dorner wrote on Facebook, KTLA television reported.

Dorner's page appeared to have been removed from the social network site on Thursday.

The California Highway Patrol issued a "blue alert" on Dorner to law enforcement throughout the state after the shootings early Thursday in the Riverside area about 60 miles east of Los Angeles.

"The suspect is considered armed and extremely dangerous," the alert said. "The suspect was involved in multiple shootings with multiple agencies in the Riverside CHP area."

One Los Angeles police officer was grazed on Thursday near Corona in Riverside County, Los Angeles police said. Later, two Riverside Police Department officers were shot in Riverside, and one of them died, Riverside police said.

Irvine police on Wednesday night named Dorner as the suspect in the shooting deaths of the recently engaged Keith Lawrence and Monica Quan, an assistant basketball coach at California State University Fullerton.

Police said they are searching for Dorner, whose last known address is in La Palma, and said he drives a blue 2005 Nissan Titan pickup with California license 7X03191. He is described as a 6-foot tall African American man weighing about 270 pounds, with black hair and brown eyes.

Anyone with information is asked to call a tip line at (714) 724-7192.

Irvine police on Wednesday night named Dorner as the suspect in the double slaying in the parking lot of an upscale Irvine apartment complex Sunday. Officials warned that Dorner is armed and dangerous. Law enforcement sources said police have placed security at the homes of LAPD officials named in the manifesto and believe Dorner has numerous weapons.

In the online postings, according to the Los Angeles Times, Dorner specifically named the father of Monica Quan. Randy Quan, a retired LAPD captain, was involved in the review process that ultimately led to Dorner’s dismissal.

A former U.S. Navy reservist, Dorner was fired in 2009 for allegedly making false statements about his training officer.

Dorner said in his online postings that being a police officer had been his life’s ambition since he served in the Police Explorers program. Now that had been taken away from him, he said, and he suffered from severe depression and was filled with rage over the people who forced him from his job.

Dorner complained that Quan and others did not fairly represent him at the review hearing.

“Your lack of ethics and conspiring to wrong a just individual are over. Suppressing the truth will leave to deadly consequences for you and your family. There will be an element of surprise where you work, live, eat, and sleep,” he wrote, referring to Quan and several others.

“I never had the opportunity to have a family of my own, I'm terminating yours,” he added.

Quan apparently served as Dorner’s representative, according to the manifesto. Of Quan, Dorner wrote: “He doesn't work for you, your interest, or your name. He works for the department, period. His job is to protect the department from civil lawsuits being filed and their best interest which is the almighty dollar. His loyalty is to the department, not his client.”

In the document, he threatens violence against other police officers.

“I know most of you who personally know me are in disbelief to hear from media reports that I am suspected of committing such horrendous murders and have taken drastic and shocking actions in the last couple of days,” he wrote.

“Unfortunately,” he added, “this is a necessary evil that I do not enjoy but must partake and complete for substantial change to occur within the LAPD and reclaim my name.”

Quan, 28, and Lawrence, 27, had recently become engaged and moved into the condominium complex near Concordia University, where they had played basketball and received their degrees, authorities said. Lawrence worked as a campus officer at USC.

Dorner’s LAPD case began when he lodged a complaint against his field training officer, Sgt. Teresa Evans. He accused her of kicking a suspect named Christopher Gettler. An LAPD Board of Rights found that the complaint was false and terminated his employment for making false statements. He appealed the action.

He testified that he graduated from the Police Academy in February 2006 and left for a 13-month military deployment in November 2006.

“This is my last resort,” he wrote. “The LAPD has suppressed the truth and it has now led to deadly consequences.”

Dorner said it was the LAPD’s fault that he lost his law enforcement and Navy careers, as well as his relationships with family and close friends. Dorner wrote that he began his law enforcement career in February 2005 and that it ended in January 2009. His Navy career began in April 2002 and ended this month.

“I lost everything,” he said, “because the LAPD took my name and knew I was innocent.”

Los Angeles Times, Reuters and KTLA contributed

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Khamenei rebuffs U.S. offer of direct talks

DUBAI (Reuters) - Iran's highest authority, Ayatollah Ali Khamenei, on Thursday slapped down an offer of direct talks made by U.S. Vice President Joe Biden this week, saying they would not solve the problem between them.

"Some naive people like the idea of negotiating with America, however, negotiations will not solve the problem," Khamenei said in a speech to officials and members of Iran's air force carried on his official website.

"If some people want American rule to be established again in Iran, the nation will rise up to face them," he said.

"American policy in the Middle East has been destroyed and Americans now need to play a new card. That card is dragging Iran into negotiations."

Khamenei made his comments just days after Joe Biden said the United States was prepared to meet bilaterally with the Iranian leadership. "That offer stands but it must be real and tangible," Biden said in a speech in Munich.

With traditional fiery rhetoric, Khamenei lambasted Biden's offer, saying that since the 1979 revolution the United States had gravely insulted Iran and continued to do so with its threat of military action.

"You take up arms against the nation of Iran and say: 'negotiate or we fire'. But you should know that pressure and negotiations are not compatible and our nation will not be intimidated by these actions," he added.

Relations between Iran and the United States were severed in 1979 after the overthrow of Iran's pro-western monarchy and diplomatic meetings between officials have since been very rare.

ALL OPTIONS STILL "ON THE TABLE"

Currently U.S.-Iran contact is limited to talks between Tehran and a so-called P5+1 group of powers on Iran's disputed nuclear program which are to resume on February 26 in Kazakhstan.

Israel's Deputy Prime Minister Dan Meridor said he was skeptical the negotiations in Almaty could yield a result, telling Israel Radio that the United States needed to demonstrate to Iran that "all options were still on the table".

Israel, widely recognized to be the only nuclear power in the Middle East, has warned it could mount a pre-emptive strike on Iranian atomic sites. Israel sees its existence as directly threatened by the prospect of an nuclear-armed Iran, given Tehran's refusal to recognize the existence of the Jewish state.

"The final option, this is the phrasing we have used, should remain in place and be serious," said Meridor.

"The fact that the Iranians have not yet come down from the path they are on means that talks ...are liable to bring about only a stalling for time," he said.

Iran maintains its nuclear program is entirely peaceful but Western powers are concerned it is intent on developing a weapons program.

Many believe a deal on settling the nuclear issue is impossible without a U.S.-Iranian thaw. But any rapprochement would require direct talks addressing many sources of mutual mistrust that have lingered since Iran's 1979 Islamic Revolution and the subsequent U.S. embassy hostage crisis in Tehran.

Moreover, although his re-election last November may give President Barack Obama a freer hand to pursue direct negotiations, analysts say Iran's own presidential election in June may prove an additional obstacle to progress being made.

(Additional reporting by Dan Williams; Editing by William Maclean and Jon Boyle)

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Wall Street flat as rally runs out of steam, results eyed

NEW YORK (Reuters) - U.S. stocks were little changed in late morning trading on Wednesday as investors awaited fresh trading incentives after recent rallies took the S&P 500 to five-year highs.

Transportation stocks were among the worst performers, weighed down by a 10-percent drop in CH Robinson Worldwide to $60.49 after it reported fourth-quarter earnings.

The Dow Jones Transportation index <.djt> shed 0.5 percent after closing at a record high Tuesday for a gain of more than 10 percent in 2013.

A 6-percent advance this year so far has lifted the benchmark S&P 500 index to its highest since December 2007, while the Dow <.dji> briefly climbed above 14,000 recently, making it a challenge for investors to continue pushing the equity market upward in the absence of strong catalysts.

"Overall, we believe that the next near-term market dip should provide an opportunity to buy stocks ahead of rallies higher in the coming months, but we are skeptical about the long-term sustainability of these gains due to the maturing age of the bull market," said Ari Wald, equity research analyst at C&Co\PrinceRidge in New York.

The tech-heavy Nasdaq index was supported by Apple Inc , which rose 1.2 percent to $463.62.

Walt Disney Co was among the bright spots, up 0.9 percent at $54.77, after the company beat estimates for quarterly adjusted earnings and gave an optimistic outlook for the next few quarters.

According to Thomson Reuters data through Wednesday morning, of 301 companies in the S&P 500 <.spx> that have reported earnings, 68.1 percent have exceeded analysts' expectations, above a 62 percent average since 1994 and 65 percent over the past four quarters. In terms of revenue, 65.8 percent of companies have topped forecasts.

Looking ahead, fourth-quarter earnings for S&P 500 companies are expected to grow 4.7 percent, according to the data, above a 1.9 percent forecast at the start of the earnings season.

The Dow Jones industrial average <.dji> was down 11.25 points, or 0.08 percent, at 13,968.05. The Standard & Poor's 500 Index <.spx> was up 0.05 points, or 0.00 percent, at 1,511.34. The Nasdaq Composite Index <.ixic> was up 2.69 points, or 0.08 percent, at 3,174.27.

The benchmark S&P index rose 1.04 percent Tuesday, its biggest percentage gain since a 2.5-percent advance on January 2, when legislators sidestepped a "fiscal cliff" of spending cuts and tax hikes that could have hurt a fragile U.S. economic recovery.

Ralph Lauren Corp climbed 7.1 percent to $176.57 as the best performer on the S&P 500 after reporting renewed momentum in its holiday-quarter sales and profits.

Time Warner Inc jumped 4.1 percent to $51.99 after reporting higher fourth-quarter profit that beat Wall Street estimates, as growth in its cable networks offset declines in its film, TV entertainment and publishing units.

(Editing by Bernadette Baum)

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