ENTERPRISE QUESTIONS U.S. Navy Adm. Mike Mullen, chairman of the Joint Chiefs of Staff, addresses members of the American Enterprise Institute in Washington, D.C., Sept. 16, 2009. The institute, founded in 1943, is dedicated to research and education on issues in government, politics, economics, and social welfare. SHARE: Download: Full Size (0.04 MB) Credit: VIRIN: 354240-O-GOL73-721.jpg Photo Gallery