In Uncertain TimesIn Uncertain Times considers how policymakers react to dramatic developments on the world stage. Few expected the Berlin Wall to come down in November 1989; no one anticipated the devastating attacks on the World Trade Center and the Pentagon in September 2001. American foreign policy had to adjust quickly to an international arena that was completely transformed. Melvyn P. Leffler and Jeffrey W. Legro have assembled an illustrious roster of officials