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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U.S. Marines take cover as they are involved in a gun battle in March during a patrol in Marjah, Afghanistan. In February, U.S.-led troops set out to rid the area of insurgents and set up a viable local government. But Taliban militants have returned to the area. Dusan Vranic/AP hide caption

itoggle caption Dusan Vranic/AP

Pro-Palestinian demonstrators wave Turkish and Palestinian flags during a protest Sunday in Ankara against Israel's deadly raid on a Gaza-bound aid ship. The attack was the latest blow to U.S.-Turkish relations. Adem Altan/AFP/Getty Images hide caption

itoggle caption Adem Altan/AFP/Getty Images