With the first national GOP presidential caucus looming ahead on Jan. 3, 2012, the candidates are hitting the road in Iowa looking to raise their profile, their standing in the polls and their chances of winning the Republican presidential nomination.
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Republican presidential hopeful Newt Gingrich (C) and his wife Callista (L) greet supporters at a campaign stop at a bar on January 1, 2012 in Waterloo, Iowa. UPI/Brian Kersey
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