The geopolitical positions currently occupied by the United States and Germany should be of interest to students of international arms control regimes. The former enters the twenty-first century empowered by its political, military, and economic weight, yet unable to respond to the global responsibilities entailed by this. In contrast, Germany has come to represent the less militaristic aspects of modern Western sensibilities, and has had to face the political problems of post-cold-war Europe more directly than other Western states.