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US Senator from Kentucky Rand Paul (L), applauds as he listens to his father,Texas Congressman and US Republican Presidential hopeful Ron Paul (R), at a campaign event in Mason City Iowa, USA, 02 January 2012. Republican Presidential candidates continue to campaign before the first-in-the-nation Iowa caucus slated for 03 January.  EPA/STEVE POPE (Newscom TagID: epaphotos236130.jpg) [Photo via Newscom] Steve Pope/EPA/Newscom