PENTAGON BRIEFING Defense Secretary Leon E. Panetta and Navy Adm. Mike Mullen, chairman of the Joint Chiefs of Staff, discussed the repeal of the "Don't Ask, Don't Tell" law, Pakistan-related issues and the risk of defense budget cuts during a press briefing at the Pentagon, Sept. 20, 2011. SHARE IMAGE: Download Image: Full Size (0.06 MB) Photo By: VIRIN: 041460-P-UHC15-391.jpg Photo Gallery