NEWS CONFERENCE U.S. Navy Adm. Mike Mullen, chairman of the Joint Chiefs of Staff, listens to a question from the media during a news conference at the Joint Visitors Bureau in Baghdad, Aug. 2, 2011. Mullen is on a five-day USO tour with comedian Jon Stewart, NBA Legend Karl Malone and magician David Blaine visiting troops in Afghanistan and Iraq. SHARE IMAGE: Download Image: Full Size (0.05 MB) Photo By: VIRIN: 662685-I-QLQ70-846.jpg Photo Gallery