It will be unfortunate for Tina Fey—and America!—if Sarah Palin is elected vice president; as the performer showed last week, Palin is the role she was born to play. It's hard to imagine NBC brass—and America!—allowing Fey to give up the gig. Although so long as Palin keeps providing such easy material, it doesn't seem like it's going to be too great a strain for anyone—except America!