Secretary Panetta addresses the audience at the Center For a New American Security Secretary of Defense Leon E. Panetta addresses the audience at the Center For a New American Security in Washington D.C., on Nov. 20, 2012. Panetta discussed some of the significant national security challenges and opportunities that lie ahead. SHARE: Download: Full Size (0.05 MB) Credit: VIRIN: 976900-K-BEP20-601.jpg Photo Gallery