The "SNL" veteran who has come back to play the Republican Vice Presidential candidate (and whose own show, "30 Rock," is still nowhere to be seen), said, "We're gonna take it week by week. If she wins, I'm done. I can't do that for four years. And by 'I'm done,' I mean I'm leaving Earth." You Tube: Sarah Palin "Anyone Can Be VP" Song and Cartoon. After Downing Street: Sarah Palin Supporters' Strange World (VIDEOS).