American public law scholarship views law as a purposive instrument for the achievement of democratic purposes. It has analyzed how this instrument can best be employed within the historical context of the legal institutions and traditions of particular nation-states. Emerging forms of international law, articulated by international tribunals, challenge these fundamental premises of American public law scholarship. Much international law does not reflect the will of an indentifiable demos, and it is articulated through innovative legal institutions that combine the procedures and organizational forms of many distinct states and legal cultures. Attempting to comprehend the sources and limitations of the legitimacy of this kind of internation...