Secretary of State Mike Pompeo sought to reassert America’s waning influence on the world stage, challenging the U.N. Security Council to extend a U.N. arms embargo that is due to expire in October. Instead, America’s top diplomat received a scolding from friends and foes alike in the 15-nation council, which roundly criticised Washington for withdrawing from the Iran nuclear deal two years ago without a clear plan to limit Tehran’s nuclear activities.