With hours to go until the final GOP presidential debate before the Palmetto State’s crucial Republican primary, two new polls indicate that Mitt Romney’s lead over Newt Gingrich is shrinking.

According to a Politico survey released Thursday morning, 37% of likely South Carolina Republican primary voters say they are backing Romney, with 30% supporting Gingrich. The poll indicates Rep. Ron Paul of Texas at 11%, former Sen. Rick Santorum of Pennsylvania at 10%, Texas Gov. Rick Perry at 4% and 8% undecided.

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