Two new polls released Sunday night indicate that Newt Gingrich has a chance of pulling off an upset in the Florida GOP primary. An Insider Advantage poll conducted for Newsmax shows Mitt Romney leading Gingrich by just 4.6 points, and a PPP tracking poll shows Romney dropping a point from yesterday and now leading Gingrich by 7 points.

On the other hand, pollsters Marist and SurveyUSA both show Romney leading Gingrich by 15 points, and Rasmussen shows Romney leading by 16. Either way, it looks like Romney is heading for a victory on Tuesday. But whether it's a single-digit victory or a blowout could have significant implications for the rest of the GOP primary. Romney's nomination will look much more inevitable if he wins by 16 points than if he wins by 4 points.

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