Romney Rolls Out 'Heavy Ammunition' Against Gingrich

Aired: 1/26/2012 | 0:08:22 | Clip
After enduring days of political backbiting from GOP hopeful Mitt Romney, rival Newt Gingrich launched a livid counterattack Thursday, alluding to Romney's contentious investments. Margaret Warner discusses the sharpened tone on the campaign trail with Judy Woodruff, reporting from Florida ahead of Tuesday's primary.

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