Why so much of the world seems fully prepared to appease terrorists and rogue states. As U.S. foreign policy has grown more assertive in the wake of the September 11 attacks, critics both at home and abroad have become ever more voluble in their objections. The more the United States defends itself, the more policy opponents argue against defense. Their alternatives boil down to variations on appeasement. On the one hand, critics claimed that bold American action was foolhardy and fraught with danger. They expected the war in Afghanistan to become the “new Vietnam” (that metaphor has now been transferred...