In its unprecedented position as sole world superpower, the United States must judiciously consider what course to take in foreign affairs. Foreign Policy for America's Twenty-first Century: Alternative Perspectivespresents six carefully crafted and bold approaches to this problem from some of the nation's foremost foreign policy experts. Chosen not for their unanimity but for their conflicting visions, these essays are written in accessible prose without esoteric language or scholarly jargon. Such issues as grand strategy, globalization, isolationism, and free trade are discussed in the context of a post-cold war world and a new century.