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 2012 presidential candidate and former Pennsylvania Sen. Rick Santorum makes remarks to supporters at the Pizza Ranch, as he campaigns in Boone, 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 | License Photo
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