As lawyers, we are used to the idea that law changes. We get new legislation and court decisions that refine our understanding of how norms work. But we tend to think less of how law changes in a meta sense. How legal institutions are either strengthening or not. These are givens. Ralph Zacklin argues that the institutional framework that supports application of public international law is strengthening. He may be biased, as a long time UN Official. But his views are interesting.