PENTAGON MEETING U.S. Defense Secretary Robert M. Gates, right, meets with visiting Tunisian Defense Minister Ridha Grira, left foreground, to discuss a range of security issues at the Pentagon, May 13, 2010. Principal Deputy Under Secretary of Defense for Policy Joseph McMillian, left, and U.S. Ambassador to Tunisia Gordon Gray, center, joined Gates. SHARE IMAGE: Download Image: Full Size (0.07 MB) Photo By: VIRIN: 620368-B-VGC84-137.jpg Photo Gallery