David Cortright is director of Policy Studies at the Kroc Institute at the University of Notre Dame and chair of the Fourth Freedom Forum. He has served as advisor to agencies of the United Nations, international think tanks, and the governments of Canada, Finland, Sweden, and Japan. Author, co-author or editor of 15 books, Cortright has written widely on nuclear disarmament, multilateral counterterrorism, and incentives and sanctions for international peacemaking.Raimo Väyrynen has served during his over 40-year career as Professor of International Relations and the Dean of the Faculty of Social Sciences at the University of Helsinki, Professor of Political Science and the John M. Regan Director of the Joan B. Kroc Institute for International Peace Studies at the University of Notre Dame, President of the Academy of Finland, and Director of the Finnish Institute of International Affairs.?Väyrynen has published extensively on the theory and history of international relations, international security and arms control, and international political economy.

• Preface 1. Why Disarmament? Why Now? 2. Challenges to the Non-proliferation Regime 3. Why States Give up the Bomb 4. Lessons from the End of the Cold War 5. Assuring Security 6. Addressing Regional Challenges 7. Building Cooperation for Non-proliferation and Disarmament 8. Nuclear Zero and Beyond A Policy Agenda for Enhancing Security Without Nuclear Weapons Glossary Notes

David Cortright is director of Policy Studies at the Kroc Institute at the University of Notre Dame and chair of the Fourth Freedom Forum. He has served as advisor to agencies of the United Nations, international think tanks, and the governments of Canada, Finland, Sweden, and Japan. Author, co-author or editor of 15 books, Cortright has written widely on nuclear disarmament, multilateral counterterrorism, and incentives and sanctions for international peacemaking.Raimo Väyrynen has served during his over 40-year career as Professor of International Relations and the Dean of the Faculty of Social Sciences at the University of Helsinki, Professor of Political Science and the John M. Regan Director of the Joan B. Kroc Institute for International Peace Studies at the University of Notre Dame, President of the Academy of Finland, and Director of the Finnish Institute of International Affairs.?Väyrynen has published extensively on the theory and history of international relations, international security and arms control, and international political economy.

• Preface 1. Why Disarmament? Why Now? 2. Challenges to the Non-proliferation Regime 3. Why States Give up the Bomb 4. Lessons from the End of the Cold War 5. Assuring Security 6. Addressing Regional Challenges 7. Building Cooperation for Non-proliferation and Disarmament 8. Nuclear Zero and Beyond A Policy Agenda for Enhancing Security Without Nuclear Weapons Glossary Notes