SECURITY ISSUES Tunisian Defense Minister Ridha Grira, right, meets with U.S. Defense Secretary Robert M. Gates, left foreground, at the Pentagon, May 13, 2010. Senior Col. Mohamed Bin Ghorbel, left, director general of international relations and cooperation, and Ambassador to the United States Habib Mansour, center, joined Grira as part of the Tunisian delegation. SHARE IMAGE: Download Image: Full Size (0.07 MB) Photo By: VIRIN: 285660-V-NKG37-423.jpg Photo Gallery