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DES MOINES, IA - JANUARY 02: Republican presidential hopeful U.S. Rep Ron Paul (R-TX) (2nd L) waits backstage with his wife Carol Paul (3rd L) before speaking at a campaign stop at the Downtown Des Moines Marriott Hotel on January 2, 2012 in Des Moines, Iowa. With one day to go before the Iowa caucuses, Ron Paul makes a final campaign push with a whistle-stop tour through Iowa. Justin Sullivan/Getty Images/AFP