Omer Aziz is an author, lawyer, and a former foreign policy adviser in the government of Justin Trudeau. The world is facing a moment of significant upheaval. The United States threatens to derail the global economy. Great powers like China and Russia are making aggressive moves in the Arctic and in Asia. War engulfs Europe and the Middle East. The crisis in the international system is unlike anything Canada has seen since the Second World War. Enter Mark Carney into the political sphere. Mr. Carney brings a unique perspective as a former central banker who managed major economic crises. Now…