Mortal chaos'The Butterfly Effect ': the scientific theory that a single occurrence, no matter how small, can change the course of the universe forever. When a butterfly startles a young rabbit, and the rabbit makes a horse rear, it starts a chain of events, over the course of one day, that will change people's lives . . . and end people's lives. From a climber on Everest to a boy in Malawi . . . from a commercial pilot to an American psycho . . . the chaos knows