In his new book, Hollywood High: A Totally Epic, Way Opinionated History of Teen Movies , Bruce Handy highlights Pauline Kael’s pan of American Graffiti , one of the few critical voices to stand athwart the tide of teen movies yelling, "Grow up, dinguses!" "I think she diagnosed something real," Handy allows. "But my hunch is that what she found so rankling was less the picture itself than the naïve seriousness of teenagers themselves, the narcissism of adolescence, the mythologizing that goes