DES MOINES, Iowa (AP) - Four years ago, former Arkansas Gov. Mike Huckabee won Iowa's Republican presidential caucuses partly by locking up the support of evangelical pastors, the former Baptist minister's brethren and a potent voting bloc within the state's influential Christian conservatives.

Today, Iowa's increasingly political pastors are up for grabs, divided on whom to support from a GOP field that features several candidates who call themselves born-again Christians.

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