I had the privilege of living inside the Secretariat as a staff member, then participating in decision-making at the intergovernmental level as a representative of a member state. As we approach the 80th General Assembly, I am thoroughly alarmed at the consequences that the shifting international order can have on the U.N. The U.N., with all its faults, is still the unique path for humanity to address common problems and conflicts in a cooperative manner rather than to face an increasingly da...