From "Writing on the Road": [Norman Mailer] likes to say that all novelists are actors at heart. Over the years, it's been a useful metaphor . . . a reference to the voices and identities he explores at his desk, but tonight he's pushing it into reality. He's an actor unqualified and the role he plays is Hemingway, the writer whose voice he sought to emulate when he discovered it more than sixty years ago, the writer whose suicide some forty years...