This remarkable and thoughtful book examines some of the most shattering events in recent history, from the annihilation of Hiroshima and Nagasaki to mass murder in Sabra and Shatila, from the hijacking of the "Achille Lauro" to torture and murder by officials of the state. In each case Cassese tries to understand why states--Nietzsche's "cold-hearted monsters"--acted as they did, and what this bodes for the future. Cassese also raises questions of...