A Mike Huckabee 2016 presidential bid rests first on the notion that he’d again do well in the Religious Right-driven Io
wa caucuses, a lift to his 2008 campaign effort. 

About that: A new Iowa poll shows Paul Ryan with a higher favorable rating among voting age Republicans there, though Huckabee is a strong No. 2 among potential GOP candidates. Iowa Repubs also really like Rick Santorum and Rick Perry, if that gives you any sort of clue.

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