Tina Fey must have pinched herself when John McCain selected Sarah Palin to be his vice-presidential running mate, and not just because the resemblance between the two is so striking it spawned the portmanteau Sarah Feylin. Given her garbled syntax, folksy colloquialisms and cringe-inducing frankness, the hockey mom-turned-maverick was an impersonator's dream. Since Fey's first appearance on Saturday Night Live as the Fargo-talking, eye-winking Alaska Governor, the show has earned its highest ratings in more than a decade. But even more startling is this Sept. 27 sketch opposite SNL alum Amy Poehler parodying Palin's disastrous interview with CBS anchor Katie Couric, in which her jaw-droppingly unintelligible responses were in some places taken verbatim from the real interview's transcript.