Politico – Mike Huckabee opted against a run for the 2012 Republican nomination Saturday night, saying that despite all the signs saying yes, “My heart says no.”

The former Arkansas governor’s decision instantly reshapes the contest, creating a wide-open field in Iowa, where Huckabee won the 2008 caucuses, and an opening for some of the second-tier hopefuls who could appeal to Huckabee’s base of conservatives and evangelical Christians.

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