In historic speech to mark UN’s 80th anniversary, secretary general makes impassioned plea for multilateralism and international law amid drastic US funding cuts In historic speech to mark UN’s 80th anniversary, secretary general makes impassioned plea for multilateralism and international law amid drastic US funding cuts The United Nations secretary general, António Guterres , will warn on Saturday of the peril posed by “powerful forces lining up to undermine global cooperation” in an address