Palin scheduled to appear on "Saturday Night Live" Newsday - BY VERNE GAY | verne.gay@newsday.com Alaska Gov. Sarah Palin, the Republican candidate for vice president and comic foil of choice for every late-night talk-show host in the land, will appear on NBC's "Saturday Night Live," the McCain campaign ... Palin, Fey and an election add up to a big buzz for 'Saturday ... Palin on 'SNL' -- really, her, not Tina Fey, you betcha |