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The Last Word

One week until Iowa caucus

With the Mitt Romney, Rick Perry, and Ron Paul campaigns and super PACs spending millions to flood Iowa televisions with attack ads against Newt Gingrich, Newt decided the time has come to violate his pledge to run a positive campaign. Was that the right call? MSNBC’s Lawrence O’Donnell asks Politico senior political writer Maggie Haberman.

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