Road rage. Domestic violence. Professionally angry TV and radio commentators. We're a society that is swimming in anger, always about to snap. Leonard Scheff, a trial attorney, once used anger to fuel his court persona, until he came to realize just how poisonous anger is. That and his intense study of Buddhism and meditation changed him. His transformation can be summarized in a simple parable: Imagine you are circling a crowded parking lot when, just as you spot a space, another driver races ahead and takes it. Easy to imagine the rage. But now imagine that instead of another driver, a cow...