Students in this course will study American constitutional law pertaining to the conduct of foreign relations. Topics include: the war powers of Congress and the president, the constitutional status of treaties and customary international law, the effect of international judgments in domestic law, federal pre-emption of state law in international affairs, international human rights litigation in American courts, the law of foreign immunity and the act of state doctrine. These topics will be examined not only from a doctrinal perspective, but in their historical, political and philosophical contexts.