[Dire Tladi is a Professor of International
Law at the University of Pretoria.] Introduction I first met Harold Hongju Koh in 2009 at a retreat on the definition of the crime of aggression for the purposes of the Rome Statute just outside New York. From my first engagement with him, I immediately knew two things about the man. First, our
approaches to international
law were based on very different philosophies. Second, his intellectual grasp of the complexities of international
law, and its interaction with policy considerations, was remarkable. It is...