“If he named her as his VP choice and she accepted, he’d win in a landslide.”
No, he wouldn’t. It would likely cost him the election.
Remember, no matter how much we like her, she is badly damaged goods to the Sheeple.
Now, as Sec of Energy, however....
Newt is looked on very unfavorably: Newt Gingrich? He's at 28 percent favorable to 58 percent unfavorable in one poll, 27 percent to 56 percent in the other—averaging -29.5 percent. Yes, -29.5 percent.
IIRC Palin's numbers have rebounded, but even she can't put lipstick on that newt and make it presentable.