Derrida, in some remarks about the inauguration of new refuge-cities in Europe and America,argues for the invention of a new cosmopolitical polity which would be instituted on the basis of an ethics of hospitality. The implications run up against current notions of sovereigntyand challenge many current assumptions about citizenship and rights which draw from Enlightenment thought. This article will sketch these issues, linking up notions of rights and sovereignty inherited from the Enlightenment to their possible transmutation in contemporary conditions and (...) to questions of an ethics of responsibility and hospitality. It will examine the implications for the dissolution of the public sphere as it is now constituted and the emergence of culturally plural and transmodern forms of sociality. (shrink)