Russia's President Vladimir Putin, center foreground, gestures as he walks by U.S. President Barack Obama, front row right, as he takes his place at a group photo outside of the Konstantin Palace in St. Petersburg, Russia on Friday, Sept. 6, 2013. World leaders are discussing Syria's civil war at the summit but look no closer to agreeing on international military intervention to stop it. (AP Photo/Ivan Sekretarev)
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