This course is designed as an introduction to the basic concepts and principles of public international law. The object is to provide students with a working knowledge of the structural foundations of international law and the relevant bodies through which it is effected -- states, international and nongovernmental organizations, and individual actors. Taking an overview approach to a wide body of material, the course aims to give students an understanding of fundamental concepts, including the consensual nature of international rule-making, the existence of affirmative obligations on States to act or refrain from acting in certain ways, key institutional structures supporting implementation of the rules, the consequences of abrogation of the rules, and the interplay between international and domestic law. The course will explore international law both in its academic and practical applications, including to current events. Students will also have the opportunity to gain practical legal skills by participating in an oral argument on selected topics of international law. *A Knowledge Base Elective.