COUNTIES' CONFERENCE U.S. Navy Adm. Mike Mullen, chairman of the Joint Chiefs of Staff, speaks to county government officials at the National Association of Counties Legislative Conference in Washington, D.C., March 7, 2011. The conference brings over 2,000 county officials to the nation's capital to focus on legislative issues facing county government. SHARE: Download: Full Size (0.04 MB) Credit: VIRIN: 948882-P-DNN94-422.jpg Photo Gallery