These numbers will be going back and forth on a weekly basis. It was the same thing in 2012. Rick Santorum won the Iowa caucus, and we all know how his campaign panned out. Before him, Herman Cain and Newt Gingrich held leads. Where did they end up after it was all over?
It's made up of largely nutbag evangelical Christians, so don't put any stock in what they think. Neither Carson or Trump will Iowa, or the nomination. They'll be long gone before election time.
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