Private security contractors guard a part of a route as NATO supply trucks drive past in the province of Ghazni, southwest of Kabul. Intense negotiations continued between Afghan President Hamid Karzai and the international community over the Afghan government's deadline for ridding the nation of private security guards. Rahmatullah Naikzad/AP hide caption

itoggle caption Rahmatullah Naikzad/AP

Members of the peace council listen to Afghan President Hamid Karzai speak during an inaugural meeting at the Presidential Palace in Kabul on Oct. 7. Shah Marai/AFP/Getty Images hide caption

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Pakistani security personnel stand beside trucks carrying NATO supplies at Torkham, the main border crossing in Pakistan's Khyber district, on Oct. 1. Pakistan halted the convoys on Sept. 30 after officials blamed cross-border NATO helicopter fire for the deaths of three Pakistani soldiers. A. Majeed/AFP/Getty Images hide caption

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Sgt. 1st Class Phillip Carroll, with the 101st Airborne Division, patrols in the Arghandab River valley outside Kandahar, Afghanistan, this week. Debate in Washington is growing over the scope and duration of continued U.S. military operations in Afghanistan. David Gilkey/NPR hide caption

itoggle caption David Gilkey/NPR

Pakistani flood survivors wait to board a U.S. military transport helicopter to evacuate the Kalam Valley on Monday. Farooq Naeem/AFP/Getty Images hide caption

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President Obama meets with Palestinian President Mahmoud Abbas at the White House in June. Charles Dharapak/AP hide caption

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Cambodian farmer Leang Korn, 56, cries in front of a portrait of her nephew, who was a prisoner of the Khmer Rouge's Tuol Sleng prison, now turned into a genocide museum, in Phnom Penh, Cambodia. Heng Sinith/AP hide caption

itoggle caption Heng Sinith/AP