Comedian Tina Fey can't face four years of playing Sarah Palin and said she's quitting the planet if the GOP ticket wins. "If she wins, I'm done,” Fey tells TV Guide. And by ‘I'm done,’ I mean I'm leaving Earth.” Still, Fey had "fun" spoofing Palin, and considers her "fascinating." Elections are "always good" for SNL, and "this is a bonkers election," she said. (More Election 2008 stories.)