Support WBURKey Parts Of Arizona Immigration To Remain On HoldPlayDownload AudioMark MemmottApril 11, 2011 ShareA U.S. Border Patrol agent checked vehicles arriving from Mexico near the town of Nogales ion July 28, 2010. (AFP/Getty Images)
A U.S. Border Patrol agent checked vehicles arriving from Mexico near the town of Nogales ion July 28, 2010. (AFP/Getty Images)