Oct. 7, 2001: President George W. Bush poses for a photo in the Treaty Room of the White House after announcing airstrikes on on Afghanistan.
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In this archive photo from October 21, 2001, Jalaluddin Haqqani smiles as he leaves after a meeting with Jama"at-i-Islami leaders in Islamabad, Pakistan.
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Sept. 13: Afghan Security personnel stand above the body of one attacker, on the 10th floor of the building in Kabul from which RPGs and other weapons were fired toward the U.S. embassy. David Gilkey/NPR hide caption
NPR's Quil Lawrence in Kabul
Undated photo reportedly showing Taliban leader Mullah Omar. AP hide caption
Quil Lawrence in Kabul
Lt. Gen. William Caldwell (Feb. 27, 2011 file photo). U.S. Navy Petty Officer 2nd Class Ernesto Hernandez Fonte /AP hide caption
Building Literacy Is Key To Building Afghan Army, U.S. General Says
Secretary of Defense Robert Gates. Alex Brandon/AP hide caption
A girl stands in the middle of a poppy field as Marines pass by on patrol. David Gilkey/NPR hide caption
Corporal Daniel Wheeler, Bravo Co. 1/5 Marines, walks through a waist high wheat field on a patrol in Sangin District near the Helmand River in southern Afghanistan earlier this month. David Gilkey /NPR hide caption
Steve Inskeep speaks with Sen. Richard Lugar
Secretary of State Hillary Clinton speaks following the death of Osama bin Laden, Monday, May 2, 2011. Jacquelyn Martin/ASSOCIATED PRESS hide caption
NPR's Michele Kelemen on Secretary Clinton
The way out: Taliban fighters escaped from the prison through this hole, and the 1,000-foot tunnel beyond. Allauddin Khan /AP hide caption
Afghan President Hamid Karzai during a news conference in Kabul today. Massoud Hossaini /AFP/Getty Images hide caption