Trump Abandoned a Nuclear Deal a Year Ago. The U.S. and Iran Are Now on a Collision Course

The White House’s long-running dispute with Iran is approaching a perilous crossroads one year after President Donald Trump walked away from the multilateral nuclear deal. The Administration’s increasing pressure on Tehran has resulted in an unpredictable and tense standoff with potentially serious implications. The two nations’ leaders say they don’t want conflict, but their rhetoric,…