Contents -- The Contributors -- Acknowledgments -- Preface -- Competing Visions for U. S. Grand Strategy -- Come Home, America -- From Preponderance to Offshore Balancing -- Geopolitics Updated -- Cooperative Security in the United States -- Concerts, Collective Security, and the Future of Europe: A Retrospective -- The Stability of a Unipolar World -- Preserving the Unipolar Moment -- Suggestions for Further Reading.