Robert W. Tucker is the Edward B. Burling Professor of International Law and Institutions at SAIS. George Liska is professor of political science at The Johns Hopkins University. Robert E. Osgood, who was the Christian A. Herter Professor of American Foreign Policy at SAIS, passed away shortly before publication of this book, which his coauthors wish to dedicate to his memory. David P. Calleo is professor and director of European studies at SAIS.

• Preface -- Introduction -- General Considerations on SDI and U.S. Foreign Policy -- The Challenge of SDI: Preemptive Diplomacy or Preventive War? -- The Implications of SDI for U.S.-European Relations -- SDI, Europe, and the American Strategic Dilemma -- Westview Press/Foreign Policy Institute