How Divided Are Iowa's Republican Voters?

Aired: 1/3/2012 | 0:07:28 | Clip
Recent days turned Iowa into a three-way grudge match -- with GOP hopefuls looking to gain momentum coming our of the first contest of the primary season. Gwen Ifill discusses what to look for as the results roll in with The Rothenberg Political Report's Stuart Rothenberg and new NewsHour political editor Christina Bellantoni.

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