U.S. President Barack Obama (R) boards Air Force One to depart after a surprise night-time visit to address troops at Bagram Air Base in Kabul, May 26, 2014. The unannounced Memorial Day visit is ... more 
U.S. President Barack Obama (R) boards Air Force One to depart after a surprise night-time visit to address troops at Bagram Air Base in Kabul, May 26, 2014. The unannounced Memorial Day visit is Obama's first with U.S. troops in Afghanistan since 2012. REUTERS/Jonathan Ernst (AFGHANISTAN - Tags: POLITICS MILITARY) less 
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Reuters | Photo By JONATHAN ERNST / REUTERS
Sun, May 25, 2014 3:49 PM EDT