In this Jan. 28, 2016, file photo, former Arkansas Gov. Mike Huckabee walks onto the stage before a Republican presidential primary debate in Des Moines, Iowa. (AP Photo/Charlie Neibergall, File)
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In this Jan. 28, 2016, file photo, former Arkansas Gov. Mike Huckabee walks onto the stage before a Republican presidential primary debate in Des Moines, Iowa. (AP Photo/Charlie Neibergall, File)
