In this Sept. 6, 2013, file photo, Sergey Kislyak, Russia's ambassador to the U.S. speaks with reporters at the Center for the National Interest in Washington. (AP Photo/Cliff Owen, File)
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In this Sept. 6, 2013, file photo, Sergey Kislyak, Russia's ambassador to the U.S. speaks with reporters at the Center for the National Interest in Washington. (AP Photo/Cliff Owen, File)
