QUESTION SESSION Navy Adm. Mike Mullen, chairman of the Joint Chiefs of Staff, and Vice Adm. Ann Rondeau, president of National Defense University, address audience members at Fortune magazine's Most Powerful Women summit in Washington, D.C., Oct. 6, 2010. SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 439008-P-TUX34-314.jpg Photo Gallery