The problem with Gingrich as a VP is that he would try to insert himself.
The President would be forced to assign him to typical VP duties — greeting ambassadors and attending state funerals, and Gingrich would abhor such a roll.
Then, VP Gingrich would become a definite pain in the side of the President, because Gingrich would not keep his mouth shut.
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Gingrich as VP would not work and not be in the best interest of the President.
Don’t think you need worry, Gingrich won’t take a VP slot and sit idle for four years.