This seminar examines selected topics in the constitutional and statutory doctrines that govern the conduct of U.S. foreign affairs, also commonly referred to as “Foreign Relations Law.” It addresses such topics as the distribution of foreign affairs powers among the three branches of the federal government, the scope of the treaty power, the domestic implementation of international agreements, the status of international law in U.S. courts, and the political question and other doctrines that regulate judicial review in foreign affairs cases. Selected case studies include the exercise of the foreign affairs powers in the context of the Founding Era, the Civil War, World War II, the Cold War, the War on Terrorism, the U.S. Drug War, and the era of Cyber War and Espionage. Students will be expected to learn and articulate the key historical and conceptual foundations of foreign affairs powers and how they are allocated in the United States, the scope of the treaty power, and other recurring topics in foreign affairs cases. Students will also be asked to think about these issues from the institutional perspective of executive branch officials, members of Congress, state governments, foreign governments, and international institutions.