TRIO TESTIFIES Navy Adm. Mike Mullen, chairman of the Joint Chiefs of Staff, left, Secretary of State Hillary Clinton and Defense Secretary Robert M. Gates testify before the Senate Foreign Relations Committee regarding the U.S.-Russian Strategic Arms Reduction Treaty, Dirksen Senate Office Building, Washington, D.C., May 18, 2010. SHARE: Download: Full Size (0.04 MB) Credit: VIRIN: 601257-X-LVV09-564.jpg Photo Gallery