Quietly, and without the fanfare that accompanies the campaign in the mountains of Afghanistan, the administration has begun a long march through multilateral institutions. At the UN and elsewhere, the U.S. has mounted a campaign to purge international civil servants judged to be out of step with Washington in the war on terrorism and its insistence that the U.S. have the last word in all global governance issues.The first and most prominent to go was Mary Robinson . . .