WASHINGTON, DC - SEPTEMBER 30:  Secret Service Director Julia Pierson testifies to the House Oversight and Government Reform Committee about the White House perimeter breach during a hearing in the Rayburn House Office Building September 30, 2014 in Washington, DC. Pierson is giving an account of an incident involving a security breach at the White House after a man jumped the fence and was not subdued until after he had entered the mansion, deeper into the building than what it was previously reported.  (Photo by Chip Somodevilla/Getty Images)