Hours Before Caucuses, Many Iowan Voters Still Undecided...

Aired: 1/2/2012 | 0:09:04 | Clip
With just hours to go until Tuesday night's Iowa Caucuses, and with a new poll confirming four in 10 caucus-goers are either undecided or could change their minds, the pressure on Republican presidential candidates to close the deal with Hawkeye State voters was palpable. Judy Woodruff reports.

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