Hours Before Caucuses, Many Iowan Voters Still Undecided...
Clip: 01/02/2012 | 9m 4s
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.
Aired: 01/02/12
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