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Today we introduce the PD Composite: Iowa. It will be a regular feature until the Iowa Caucus.

Following the national trend, Newt Gingrich also leads in Iowa. Ron Paul pulled ahead of Mitt Romney only today, based on the strength of his showing ahead of Romney (though within the margin of error) in two of the past three polls. Romney was strong in Iowa until the Herman Cain surge when he slowly started sinking, then as the Cain and Gingrich popularity lines crossed paths, Romney’s loss of support slowed, though continuing on.

Bachmann nearly doubles her national numbers in Iowa, but that still leaves her at only 9.8%. Perry is hanging around at 9.3% and the Rick Santorum/Jon Huntsman duo collect the crumbs, as usual.