Republican presidential candidate Ron Paul is escorted to a ballroom to speak to his supporters during the California Republican Party Convention this September in Los Angeles. The Texas congressman was once a small-town doctor who specialized in delivering babies.

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Republican presidential candidate Rep. Ron Paul speaks during the presidential debate sponsored by CNN and The Tea Party Express at the Florida State fairgrounds on September 12, 2011 in Tampa, Florida. Win McNamee/Getty Images hide caption

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Republican presidential candidate and Texas congressman Ron Paul at Iowa State University in Ames on Aug. 13, 2011. Scott Olson/Getty Images hide caption

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Republican presidential hopeful Ron Paul, a Texas congressman, reacts after seeing several hundred people show up to see him Wednesday in Concord, N.H. Jim Cole/AP hide caption

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