Exposing Palin's disqualifications will be difficult. For she will deliver from memory non-toxic, formulaic "answers" crafted by her handlers, deliver them along with an occasional stiletto wrapped in carefully rehearsed Reaganesque good humor. And the PBS moderator, frantic to demonstrate her impartiality, won't press Palin when her practiced response evades the question. Your test is to pry her loose from her lines and then underscore the emptiness or sinister implications of her stated views without appearing condescending or...