That's shocking, and could probably be the stuff enterprising psychiatrists could publish articles, perhaps even books about.
Her unfavorability mirrors, or even surpasses Hilary Clinton's. And, we know how that turned out. On the other hand, Palin hasn't had a moments peace from the criticism since the campaign ended. I don't think it's impossible for her to turn it around if, as some others have mentioned, she begins to surround herself with some quality coaches. If she continues to go it alone, she'll never get past her own negatives.
{Her unfavorability mirrors, or even surpasses Hilary Clinton’s}
Funny you mention Hillary. Both Palin and Hillary are both loved by their respective bases, hated by their respective oppositions, and have wobbly support from independents. I guess you could call Palin the Right Hillary.