Former Secretary of State Hillary Rodham Clinton, left, and U.S. Army Gen. Martin E. Dempsey, the chairman of the Joint Chiefs of Staff, laugh as Secretary of Defense Leon E. Panetta delivers remarks during a farewell tribute and award ceremony honoring Clinton at the Pentagon in Arlington, Va., Feb. 14, 2013. (DoD photo by Staff Sgt. Sun L. Vega, U.S. Army/Released)