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