Tuesday, Jan. 3, 2012 | 5:19 p.m.
An entrance poll of early arriving caucus-goers in Iowa suggests that former Massachusetts Gov. Mitt Romney, Texas congressman Ron Paul and former Pennsylvania Sen. Rick Santorum are in the top tier of vote-getters in the Republican presidential contest.
The other candidates in the race are former House Speaker Newt Gingrich, Minnesota congresswoman Michele Bachmann and Texas Gov. Rick Perry.
The survey by Edison Media Research for The Associated Press and television networks was based on interviews with more than 600 people arriving at nearly 40 precinct caucuses across the state.
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