The Pentagon's top official for Russian relations is resigning as the U.S. wrestles with Russian President Vladimir Putin's moves in Syria and Ukraine.
Washington Examiner: Pentagon’s top official for Russia stepping down
US Secretary of Defense Ash Carter listens on a translation headset to Ukraine's Minister of Defense Colonel-General Stepan Poltorak as they conduct a press conference at the Pentagon Sept. 24, 2015, in Washington, DC.
