He played late-night marathon games of Monopoly with his buddies. He went with friends on family vacations. He would hang with pals at IHOP on Fridays. He had a girlfriend. He laughed and he loved and he knew things - about jazz, cars, fantasy games. And then Jared Loughner slipped into a world of fantasy that was no online game. Slowly but steadily, his intelligence warped into a distorted, disconnected series of obsessions. He developed an illogical fascination with logic. Math, grammar, logic - the systems civilization has developed to make sense of the world became the means through which...