Rosalie Silberman Abella is the Samuel and Judith Pisar Visiting Professor of Law at Harvard Law School. She served as a justice of the Supreme Court of Canada from 2004 until her mandatory retirement in 2021. The following piece was adapted from her keynote address to the American Society of International Law in Washington in April. When I was younger, I believed in, and took for granted, the majestic world order we had created after the Second World War. I assumed that this world order would be protected by the international laws we had put in place, and that everyone...