Judy Woodruff reports on the scene in Iowa as the state holds the first presidential caucuses in the nation. Democratic candidates Hillary Clinton, Barack Obama and John Edwards remain in a statistical three-way tie in Iowa going into caucus night. Mike Huckabee led Mitt Romney in polls heading into Thursday's Iowa caucus, leaving questions about who will take third place. Since Iowa moved its caucus ahead of the New Hampshire primary over 30 years ago, it has played a pivotal role in the presidential nominating calendar. Gwen Ifill reports from New Hampshire on how primary voters in the state are viewing the Iowa contests and what's ahead for the state's primary on Jan. 8.moreless
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