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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Ron Paul on 'Talk of the Nation'

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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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For Supporters, Ron Paul's Message Strikes A Chord

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Rep. Ron Paul waits to speak at a news conference in April in Des Moines, Iowa. Charlie Neibergall/AP hide caption

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Ron Paul: Why The Young Flock To An Old Idealist

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Rep. Ron Paul, R-Texas, speaks to a gathering of Tea Party supporters at the Hyatt Regency in Greenville, S.C., on May 5, 2011. Richard Shiro/AP hide caption

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Ron Paul runs as a Republican

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