none of it matters, so long as you remember a few months before Election Day to offer them a two-bit caricature culled from some cutting-room-floor episode of Roseanne as part of your presidential ticket. And if she’s a good enough likeness of a loudmouthed middle-American archetype, as Sarah Palin is, John Q. Public will drop his giant-size bag of Doritos in gratitude, wipe the Sizzlin’ Picante dust from his lips and rush to the booth to vote for her