The Roots of Evil: The Origins of Genocide and Other Group ViolenceHow can human beings kill or brutalize multitudes of other human beings? Focusing particularly on genocide, but also on other forms of mass killing, torture, and war, Ervin Staub explores the psychological, cultural, and societal roots of group aggression. He sketches a conceptual framework for the many influences on one group's desire to harm another: cultural and social patterns predisposing to violence, historical circumstances resulting in