Shields, Brooks on Negative Campaigning, Romney's Tactics

Aired: 1/31/2012 | 0:06:33 | Clip
Syndicated columnist Mark Shields and New York Times columnist David Brooks discuss the day's top political news, including some Republicans' concerns over the prospects of a Newt Gingrich nomination, Mitt Romney's political toughness and the state of play in Florida's primary.

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