Kara C. McDonald and Stewart M. Patrick -- Contents -- Foreword -- Acknowledgments -- Acronyms -- Introduction -- The Case for Enlargement -- The Tough Diplomatic Landscape -- U.S. Interests in UNSC Enlargement -- Rights and Responsibilities: A Criteria- Based Approach -- Recommendations for U.S. Policy -- Conclusion -- Appendix 1: Shifting Global Economic and Military Power* -- Appendix 2: The Council Enlargement of 1965: A Precedent? Or Irrelevant? -- Appendix 3: Overall Voting Coincidence with the United States in the UNGA -- Appendix 4: The Security Council Reform Debate: The Principal Coalitions -- Appendix 5: Leading Contributors to UN Budget, Peacekeeping Budget, and Peacekeeping Forces -- Appendix 6: Evaluating the Main Aspirants to Permanent Membership -- Endnotes -- About the Authors -- Advisory Committee -- Mission Statement of the International Institutions and Global Governance Program -- Council Special Reports.