New poll: Paul, Romney and Santorum tied in Iowa

SIOUX CENTER, Iowa--Here's where we stand in the final day before the caucuses. According to the latest survey from Public Policy Polling, it looks like a statistical dead heat between Mitt Romney, Ron Paul and Rick Santorum for the top slot in the state.

With a margin of error of plus or minus 2.7 percentage points, Paul leads with 20 percent, followed by Romney with 19 percent and Santorum with 18 percent. As with the Des Moines Register poll unveiled Saturday night, Santorum appears to have the most momentum of all of the candidates, with an 8-point surge from last week. Santorum also has the highest favorability rating of all the candidates—60 percent—which could give him an edge with the 41 percent of Iowa caucus voters who say they are willing to change their minds.

Correction, 6:22 p.m. ET: A previous version of this story incorrectly stated that Mitt Romney was ahead of Ron Paul in the poll. The story has been changed to reflect the correct numbers.

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