Afghan demonstrators show copies of the Koran allegedly set alight by US soldiers, during a protest against Koran desecration at the gate of Bagram airbase, Feb. 21, 2012 at Bagram, north of Kabul. The copies of the burned Korans and Islamic religious texts were obtained by Afghan workers contracted to work inside Bagram air base, and presented to demonstrators gathered outside the military installation.(Shah Marai/AFP/Getty Images)
An Afghan demonstrator holds a copy of a half-burned Koran, allegedly set on fire by US soldiers, at the gate of Bagram airbase during a protest against Koran desecration. (Massoud Hossaini/AFP/Getty Images)
Afghan demonstrators shout anti-US slogans at the gate of Bagram airbase during a protest against Koran desecration, Feb. 21, 2012. Afghan protestors firing slingshots and petrol bombs besieged one of the largest US-run military bases in Afghanistan, furious over reports that NATO had set fire to copies of the Koran. (Shah Marai/AFP/Getty Images)
An Afghan man aims a slingshot toward US soldiers at the gate of Bagram airbase during a protest against Koran desecration, Feb. 21, 2012. Guards at Bagram airbase responded by firing rubber bullets from a watchtower as the crowd shouted "Allahu akbar, Allahu akbar" (God is greater). (Shah Marai/AFP/Getty Images)
Afghan youth throw stones toward US soldiers standing at the gate of Bagram airbase, Feb. 21, 2012. Afghan protestors firing slingshots and petrol bombs besieged one of the largest US-run military bases in Afghanistan, furious over reports that NATO had set fire to copies of the Koran. (Massoud Hosssaini/AFP/Getty Images)
Afghan youths use slingshots against US soldiers standing at the gate of Bagram airbase, Feb. 21, 2012. (Massoud Hossaini/AFP/Getty Images)
An Afghan demonstrator holds a half-burnt copy of Islamic religious text, allegedly set on fire by US soldiers, at the gate of Bagram airbase, Feb. 21, 2012. (Massoud Hossaini/AFP/Getty Images)
A wounded Afghan boy stands at the gate of Bagram airbase, hurt during a protest against Koran desecration, Feb. 21, 2012. (Shah Marai/AFP/Getty Images)
Afghan protesters throw rocks towards a water canon near a U.S. military base in Kabul, Feb. 22, 2012. Several people were wounded when shots were fired as hundreds of angry Afghans gathered in a second day of violent clashes after copies of the Koran, Islam's holy book, were burned at NATO's main base in Afghanistan. (Ahmad Masood/Reuters)
Afghan policemen march toward protesters during a protest near a U.S. military base in Kabul, Feb. 22, 2012. Several people were wounded when shots were fired as hundreds of angry Afghans gathered in a second day of violent clashes. (Ahmad Masood/Reuters)
An Afghan policeman keeps watch during a protest near a US military base in Kabul, Feb. 22, 2012. (Ahmad Masood/Reuters)
An Afghan man who was wounded during an anti-US demonstration lies on a gurney bed at the hospital in Kabul, Feb. 22, 2012. Anti-American demonstrations erupted on the outskirts of Kabul for a second day over an incident that the U.S. said was inadvertent burning of Muslim holy books at a military base in Afghanistan. (Ahmad Jamshid/Associated Press)
Black smoke rises from tires which were burnt by protesters during an anti-US demonstration in Kabul, Feb. 22, 2012. (Ahmad Jamshid/Associated Press)
An Afghan policeman confiscates a US flag from protesters in Kabul, Feb. 23, 2012. The Taliban urged Afghans to target foreign military bases and kill Westerners in retaliation for burnings of the Koran as a third day of violent protests continued. (Omar Sobhani/Reuters)
Afghan policemen form a line outside the American military base during an anti-US demonstration in Mehterlam, Laghman province east of Kabul, Afghanistan, Feb. 23, 2012. Afghan police fired shots in the air to disperse hundreds of protesters who tried to break into the military base. (Rahmat Gul/Associated Press)
Afghans gathered outside an American military base during an anti-US demonstration in Mehterlam, Laghman province east of Kabul, Feb. 23, 2012. (Rahmat Gul/Associated Press)
Afghan men shout anti-US slogans during a demonstration in Jalalabad province, Feb. 24, 2012. Twelve people were killed in the bloodiest day yet in protests that have raged across Afghanistan over the desecration of copies of the Muslim holy book. (Parwiz/Reuters)
Afghan protesters move the body of a man during clashes in Kabul Feb. 24, 2012. Nine more people were killed in protests in Afghanistan over the burning of copies of the Koran at a NATO base, officials said. (Ahmad Masood/Reuters)
Afghans burn an effigy representing the US President Barack Obama during an anti-US protest in Ghani Khail, east of Kabul, Feb. 24,2012. (Rahmat Gul/Associated Press)
An anti-riot policeman looks for protesters during clashes in Kabul, Feb. 24, 2012. (Ahmad Masood/Reuters)
An Afghan boy, working at a bakery watches a protest outside his window in Kabul, Feb. 24, 2012. (Ahmad Masood/Reuters)
Afghan policemen run after protestors during an anti-US demonstration in Kabul, Afghanistan, Feb. 24, 2012. Thousands of Afghans staged new demonstrations over the burning of Korans at a U.S. military base in Afghanistan. (Musadeq Sadeq/Associated Press)
An Afghan policeman keeps watch during clashes with protesters in Kabul, Feb. 24, 2012. (Omar Sobhani/Reuters)
Afghan police try to restrain demonstrators during an anti-US protest in Baghlan province, north of Kabul, Feb. 24, 2012. (Jawed Basharat/Associated Press)
Afghan policemen clash with protesters as a helicopter flies over in Kabul, Feb. 24, 2012. Two protesters were shot dead in separate rallies in Kabul. (Ahmad Masood/Reuters)
An Afghan protester receives treatment at a hospital after he was wounded during clashes with the police in Herat province, Feb. 24, 2012. (Mohammad Shoib/Reuters)
An Afghan doctor inside a hospital in bloodstained clothes in Laghman province, Feb. 25, 2012. Four people were shot dead by Afghan security forces as protests over the burnings of the Muslim holy book at a NATO base erupted for a fifth day. (Parwiz/Reuters)
An Afghan medic carries a protestor wounded during an anti-U.S. demonstration in Mehterlam, Laghman province east of Kabul, Feb. 25, 2012. Protesters threw rocks at police, government buildings and a U.N. office in eastern Afghanistan on a fifth day of riots sparked by the burning of Korans at a U.S. base. (Rahmat Gul/Associated Press)
Afghan demonstrators shout anti US-slogans during a protest against Koran desecration in Kunduz, Feb. 25, 2012. Rock-throwing protesters attacked a UN compound and clashed with police in northern Afghanistan February 25, as a fifth day of protests over the burning of Korans. Thousands attacked the complex in Kunduz as violence flared across the city. The death toll rose to 27 from protests over the burning of Korans by troops from the US-led NATO force. (Gulrahim/AFP/Getty Images)
Wounded Afghan men receive treatment at a hospital after a suicide attack in the city of Jalalabad in Nangarhar province, Feb. 27, 2012. A suicide car bomber killed at least nine people and wounded eight others, targeting a NATO base at Jalalabad airport in eastern Afghanistan, police said. Taliban insurgents claimed the attack, saying it was in revenge for the burning of Korans at a US military base. (Noorullah Shirzada/AFP/Getty Images)
Afghan soldiers are on alert at the scene of a suicide attack at the gate of an airport in Jalalabad, Nangarhar province east of Kabul, Feb. 27, 2012. A suicide car bomber struck in an attack insurgents said was revenge for U.S. troops burning Korans. (Rahmat Gul/Associated Press)
A child stands with his father as they wait to receive blankets and winter jackets from Welthungerhilfe, a German NGO, during a snow fall at a camp for internally displaced Afghans in Kabul, Afghanistan, Feb, 20. 2012. More than 40 people, most of them children, have frozen to death in what has been Afghanistan's coldest winter in years, an Afghan health official said. (Musadeq Sadeq/Associated Press)
Afghan girls read verses of the holy Koran in a mosque in Kabul, Feb. 27, 2012. (Ahmad Jamshid/Associated Press)
An elderly Afghan man rides his bicycle as snow falls in Kabul, Feb. 20, 2012. Harsh winter weather has killed at least 40 children in Afghanistan in a month, two dozen of them in refugee camps in Kabul, and aid groups warn of more deaths as temperatures keep falling. Twenty-four children lost their lives in the camps on the outskirts of the capital which house thousands of Afghans fleeing war and Taliban intimidation in southern Afghanistan. (Shah Marai/AFP/Getty Images)
Snow flies up as a US Army CH-47 Chinook helicopter lands at a remote landing zone in Shahjoy district, Zabul province, Afghanistan, Feb. 8, 2012. (U.S. Navy/Reuters)
Afghan teenagers beg near a displaced people's camp in Kabul, Feb. 19, 2012. A harsh winter has killed almost 40 children in Afghanistan in the past month. Twenty-four children lost their lives in camps on the outskirts of the capital. (Massoud Hossaini/AFP/Getty Images)
An Afghan boy selling packed peas, waits for customers on a cold and snow covered street in Kabul, Afghanistan, Feb. 19, 2012. (Ahmad Nazar/Associated Press)
An Afghan man rides his bicycle during a snow storm in Kabul, Feb. 12, 2012. Afghans have suffered under particularly harsh weather conditions this winter. (Rahmat Gul/Associated Press)
Mohammad Jamal, 37, an Afghan vendor, warms his hands on fire, selling carrots and turnips as he waits for customers during a snow storm in Kabul, Feb. 12, 2012. (Rahmat Gul/Associated Press)
An Afghan street barber sits on a plank in the snow as he trims the mustache of a customer in Kabul, Feb. 9, 2012. The National Weather Center meteorologist Abdul Qadir Qadir said temperatures in Kabul dipped as low as -16 Celsius (3 Fahrenheit), with the lowest temperature previously on record at -17C (1F), recorded about 15 years ago. The coldest temperature on record for Kabul was -26C (-14.8 F) and was recorded 40 years ago, he said. (Musadeq Sadeq/Associated Press)
A wounded child receives treatment at a hospital in Nangarhar Province, Feb. 12, 2012. Unknown gunmen shot dead a judge and injured six of his family members in the eastern province of Nangarhar. (Parwiz/Reuters)
An Afghan child carries a brick at a factory on the outskirts of the city in Herat, west of Kabul, Feb. 11, 2012. Thousands of Afghan children work to make money to support their families. (Hoshang Hashimi/Associated Press)
An Afghan man chooses fire wood to buy in Kabul, Feb. 9, 2012. The cold, combined with about 50 centimeters (19.6 inches) of snow, caused power blackouts and iced over most of the capital's roads. The bad weather also caused a sharp increase in demand for wood, the main fuel used by the city's five million or more residents to heat their homes. (Musadeq Sadeq/Associated Press)
Afghans warm their hands over a fire in Kabul, Feb. 9, 2012. (Musadeq Sadeq/Associated Press)
An internally displaced Afghan girl from Helmand province holds her brother as she and another girl stand outside a mud shelter for the displaced at the Charhi Qambar refugee camp on the outskirts of Kabul, Feb. 6, 2012. Fleeing NATO bombardment and Taliban intimidation, thousands of Afghans in refugee camps in Kabul have faced a new enemy: an unusually bitter winter that is killing their children. (Shah Marai/AFP/Getty Images)
Many internally displaced refugees lack proper clothing and shelter. An Afghan girl wears these shoes during the winter outside a mud shelter at the Charhi Qambar refugee camp on the outskirts of Kabul, Feb. 6, 2012. (Shah Marai/AFP/Getty Images)
Internally displaced Afghans from Helmand province inside a mud shelter for the displaced at the Charhi Qambar refugee camp on the outskirts of Kabul, Feb. 6, 2012. (Shah Marai/AFP/Getty Images)
An Afghan boy sells cigarettes on a snow covered street in front of the war torn Darul Aman Palace in Kabul, Feb. 5, 2012. (Mohammad Ismail/Reuters)