Much has been made of the unusual volatility of the GOP race this year, with candidates taking turns in the front-runner spot in Iowa. But with more outside money and a reliance on social media, the run-up to this election season's Iowa caucuses has been different in other ways as well.
From stump speeches to political ads, religion is a hot-button topic in the presidential campaign. Many of the GOP candidates have emphasized their faith while campaigning, and others have come under fire from opponents and religious leaders for their beliefs.
Candidates made their last-ditch campaign efforts in Iowa Monday ahead of Tuesday's caucuses. The Des Moines Register's Iowa poll predicted a close three-way race between Mitt Romney, Ron Paul and Rick Santorum. Pollster Ann Selzer shares the poll results.
Just a day before Iowa caucus-goers make their decisions, Mitt Romney sought to shore up support in the eastern part of the state. "I think we're surprised to find ourselves in the hunt here in Iowa," one Romney adviser said.
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