"The trouble with you is," she continued steadily, "you think people should stay in their own sealed packages. You don't believe in opening up. You don't believe in trading back and forth." "I certainly don't," Macon said, buttoning his shirt front. Anne Tyler, "The Accidental Tourist" If politics were literature, Bill Clinton would be Tom Buchanan in "The Great Gatsby," casually smashing lives around him while remaining untouched by the chaos he creates. Barack Obama is more like Macon Leary in "The Accidental Tourist," the author of tour guides who hates travel. "He was happiest with a regular scheme of...