INFORMAL CONVERSATION Defense Secretary Leon E. Panetta, center, and Army Gen. Martin E. Dempsey, chairman of the Joint Chiefs of Staff, talk with U.S. Sens. Joe Lieberman of Connecticut, left, and Carl Levin of Michigan, chairman of the Senate Armed Services Committee, in Washington, D.C., March 7, 2012. Panetta and Dempsey later testified on the situation in Syria before committee members. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 952904-R-XLE57-035.jpg Photo Gallery