Rep. Michele Bachmann waves to supporters Friday in Sioux City before starting a 99-county bus tour of Iowa. Jeff Haynes/Reuters /Landov hide caption

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Jeff Haynes/Reuters /Landov

In Iowa And Beyond, Republicans In Final Push Before Contests Begin

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Newt Gingrich (right) stood his ground Saturday in the GOP presidential debate in Iowa. Mitt Romney (left) may have made a mistake in offering to wager Texas Gov. Rick Perry $10,000. Kevork Djansezian/Getty Images hide caption

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Kevork Djansezian/Getty Images

Rep. Ron Paul. Patrick Smith/Getty Images hide caption

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Patrick Smith/Getty Images