The field of Republican candidates now has three candidates within striking distance of each other at the top of the list: with 18%, Herman Cain is in the top spot, followed by Mitt Romney and Newt Gingrich with 15% each. Support for both Cain and Romney has declined since late last month, and Gingrich is the only one of the top three whose support is steadily – if slowly – on the upswing.
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