This is a survey course of public international law, emphasizing first how its sources (treaties, custom and general principles) affect a variety of transactions involving both private parties as well as nation states. The second half of the course will focus on the structure of international legal institutions, dispute resolution mechanisms, and the incorporation of international law within the United States legal system. This will include analysis of timely issues such as the scope of the President’s foreign relations powers, how these powers relate to the powers of the U.S. Congress and how U.S. courts apply and interpret treaties and customary international law.