U.S. Defense Secretary Robert M. Gates takes part in an interview with "CBS Evening News" anchor Katie Couric during a trip to Camp Victory, Iraq, April 7, 2011. U.S. Defense Secretary Robert M. Gates takes part in an interview with "CBS Evening News" anchor Katie Couric during a trip to Camp Victory, Iraq, April 7, 2011. SHARE: Download: Full Size (3.23 MB) Tags: Photo Essays Credit: VIRIN: 482200-O-ORW80-630.jpg Photo Gallery