VOLKER RITTBERGER is Professor of Political Science and International Relations and Director of the Centre for International Relations/Peace and Conflict Studies, University of Tübingen, Germany. He has published extensively on theories of international relations, foreign policy analysis, regime theory, and the United Nations system. His recent research interests include reform in the United Nations system and the effectiveness and legitimacy ... Read moreof global governance institutions. He is the co-author of International Organization with Bernhard Zangl (Palgrave). MARTIN NETTESHEIM is Professor and Chair for German Public Law, Public International Law, European Law and International Political Theory at the University of Tübingen, Germany. He has published extensively in the areas of constitutional and human rights law. His current research focuses on the fundamentals of international law and the conditions and requirements of international governance.    Show Less