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Former United States Senator Sam Nunn (Democrat of Georgia), left, and former US Secretary of Defense William Cohen, right, appear before the United States Senate Committee on Armed Services as it holds a confirmation hearing on the nomination of US Marine Corps General James N. Mattis (retired), center, to be Secretary of Defense on Capitol Hill in Washington, DC on Thursday, January 12, 2017.  Nunn and Cohen each introduced and endorsed Mattis for the post.<br />
Credit: Ron Sachs / CNP /MediaPunch