Updated: Jan. 3, 2012 at 9:37 AM
The primary race in Iowa continues (39 images)
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.
Republican presidential hopeful Ron Paul signs autographs for supporters after speaking at a campaign rally on January 2, 2012 in Cedar Rapids, Iowa. UPI/Brian Kersey
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Republican 2012 presidential candidate and former Pennsylvania Sen. Rick Santorum (C) responds to a question from a supporter at the Reising Sun Cafe, as he campaigns in Polk City, Iowa, January 2, 2012 in advance of Iowa's first-in-the-nation caucuses, January 3. Santorum has come from back in the pack of candidates to challenge former Massachusetts Gov. Mitt Romney and Texas Rep. Ron Paul for the lead in the polls. UPI/Mike Theiler
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Republican presidential hopeful Newt Gingrich (L) and his wife Callista listen to questions from supporters at a campaign stop at a bar on January 1, 2012 in Waterloo, Iowa. UPI/Brian Kersey
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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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