I have not heard any rumors of a Huckabee effort to garner votes, so I have to assume this is organic. As Martin notes, this is a bit concerning if you are John McCain ..."Over 91,000 Pennsylvanians voted for Huckabee nearly two months after he withdrew from the race. He got in the teens in many counties in the now-famous "T" that makes up the GOP base of the state."
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The Democratic Playbook