How do groups-be they religious or ethnic-achieve sovereignty in a postnationalist world? In Self-Determination without Nationalism, noted philosopher Omar Dahbour insists that the existing ethics of international relations, dominated by the rival notions of liberal nationalism and political cosmopolitanism, no longer suffice.Dahbour notes that political communities are an ethically desirable and historically inevitable feature of collective life. The ethical principles that govern them, however-especially self-determination and sovereignty-require reformulation in light