LEADERS MEET U.S. Army Gen. Martin E. Dempsey, chairman of the Joint Chiefs of Staff, right, meets with Afghanistan Minister of Defense Abdul Rahim Wardak in Afghanistan, Dec. 17, 2011. Dempsey is on a USO tour, visting with troops and meeting with defense leaders. SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 256418-J-OAB33-674.jpg Photo Gallery