MONTREAL - The appearance of Saddam Hussein in a Baghdad court last week should lay to rest skepticism about the justness of the Iraq war. International politics in our time was reconfigured by 9/11. There are precedents for such sudden changes. One happened following the attack on Poland by Hitler's Third Reich in September 1939, another when the former Soviet Union became a nuclear power in 1949. Among competing issues demanding attention in international politics, such as inequities in resource distribution and income, the issue of security takes precedence. Security is the plinth on which is built the life of...