Former cast member Tina Fey, now the star of "30 Rock," returned to Saturday Night Live to play Republican vice presidential candidate Sarah Palin for the premiere of the show's new season. Fey bears a striking resemblance to Palin and nailed the candidate's distinctive accent. Fey and Amy Poehler opened the show with a joint appearance as Palin and Hillary Clinton. The two politicians addressed the ugly issue of sexism in the campaign. More SNL highlights here