Eric Nordstrom, Regional Security Officer, U.S. Department of State, testifies on the Security Failures of Benghazi before the U.S. House Oversight and Government Reform Committee on Capitol Hill in Washington D.C., capital of the United States, Oct. 10, 2012. The attack to the U.S. consulate in Benghazi, Libya, on Sept. 11, 2012 left U.S. Ambassador to Libya Christopher Stevens and three of his staff dead, a tragedy that shocked America and the world. [Xinhua]