This is the first comprehensive analysis of the ways in which changes in the geopolitical context have altered the nature of the long-stable U.S.-Japan relationship: much of what had once been a bilateral and relatively exclusive relationship has been transformed in the past two decades. The authors present eleven case studies of important domains--ranging from increased flows of private capital to international security concerns to the growing importance of multilateral organizations--in which the relationship has been altered to a greater or lesser degree. >