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Republican presidential candidate, former U.S. Sen., Rick Santorum of Pennsylvania during a campaign styop at the Greek Festival, Sunday, Sept. 18, 2011 in Manchester, NH (AP Photo/Jim Cole)

Associated Press
Republican presidential candidate, former  U.S. Sen., Rick Santorum of Pennsylvania during a campaign styop at the Greek Festival, Sunday, Sept. 18, 2011 in Manchester, NH (AP Photo/Jim Cole)
Republican presidential candidate, former U.S. Sen., Rick Santorum of Pennsylvania during a campaign styop at the Greek Festival, Sunday, Sept. 18, 2011 in Manchester, NH (AP Photo/Jim Cole)
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