INFORMAL MOMENT Defense Secretary Leon E. Panetta and Army Gen. Martin E. Dempsey, chairman of the Joint Chiefs of Staff, speak with Bob Schieffer, chief Washington correspondent for CBS News, in Washington, D.C., Jan. 6, 2012. Schieffer interviewed Panetta and Dempsey on a range of defense issues on "Face the Nation," a CBS news program that aired Jan. 8. SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 203301-K-ZMW83-883.jpg Photo Gallery