YOU'VE got to hand it to Saddam. In one brisk, neat letter to Kofi Annan, he pulled the rug from right under George Bush's feet. There was the American president last week, playing the role of multilateralist, warning the world that Iraq had one last chance through the UN to avoid Armageddon. "If the Iraqi regime wishes peace," he told us all in the General Assembly, "it will immediately and unconditionally forswear, disclose and remove or destroy all weapons of mass destruction, long range missiles and all related material." And that, of course, is the point. Saddam would do everything...