Gingrich is not any sort of team player. He is like the kid with the only bat in town : disagree with him and he takes his bat and goes home and nobody plays.
If appointed to a cabinet post, he would be gone in under a year.
Not that the Republicans have a chance of getting elected with Rawmoney Romney, a candidate who makes millions of dollars, pays a paltry 14% to the IRS and proposes cutting the only IRS tax he pays to 0%, so he can balance the budget. How stupid is that?