San Antonio, Texas Mayor Julian Castro testifies on Capitol Hill in Washington, Tuesday, Feb. 5, 2013, before the House Judiciary Committee hearing on America's Immigration System: Oppo

 

              San Antonio, Texas Mayor Julian Castro testifies on Capitol Hill in Washington, Tuesday, Feb. 5, 2013, before the House Judiciary Committee hearing on America
San Antonio, Texas Mayor Julian Castro testifies on Capitol Hill in Washington, Tuesday, Feb. 5, 2013, before the House Judiciary Committee hearing on America's Immigration System: Opportunities for Legal Immigration and Enforcement of Laws against Illegal Immigration. (AP Photo/Susan Walsh)