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

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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

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