PUBLIC SPEECH Chairman of the Joint Chiefs of Staff Navy Adm. Mike Mullen is thanked by Michele Flournoy, president and co-founder of the Center for a New American Security after delivering his first public speech as chairman at the Mayflower Hotel in Washington, D.C., Oct. 25, 2007. SHARE: Download: Full Size (0.02 MB) Credit: VIRIN: 777446-L-KYZ60-007.jpg Photo Gallery