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Dr. Ron Paul

Rick Perry talks during a break with Ron Paul on stage at the Reagan Centennial GOP presidential primary debate at the Ronald Reagan Presidential Library in Simi Valley, California September 7, 2011. (REUTERS/Mario Anzuoni)

Ron Paul all but ends campaign

Ron Paul announced May 14 that his campaign will no longer spend money on presidential nominating contests due to lack of funds, effectively ending his campaign for the Republican nomination.