This is Edward Luttwak's third and arguably fi nest collection of essays. In a challenge to the intellectual backbone of those who write about peace as something one wishes into existence through mediation and good will, Luttwak's view of warfare is bracing: "An unpleasant truth, often overlooked, is that although war is a great evil, it does have a great virtue: it can resolve political confl icts and lead to peace." Luttwak articulates...