Secretary Gates and Adm. Mike Mullen conduct a press briefing in the Pentagon. Secretary of Defense Robert M. Gates and Chairman of the Joint Chiefs of Staff Adm. Mike Mullen, U.S. Navy, conduct a press briefing in the Pentagon discussing the public release of the "Don't Ask, Don't Tell" Comprehensive Working Group report on Nov. 30, 2010. SHARE IMAGE: Download Image: Full Size (0.06 MB) Photo By: VIRIN: 294803-T-QXX84-827.jpg Photo Gallery