"We're going to deal," the president tells reporters after meeting with a top North Korean official who delivered a letter from Kim Jong Un.
Secretary of State Mike Pompeo threatens "the strongest sanctions in history" if Iran doesn't change course.
As a former State Department and Pentagon official describes it, “Traditionally we’ve tried to play a role of fireman in the Middle East. Now we’re playing the role of arsonist.”
The Trump administration designates Valiollah Seif, head of Iran's central bank, a terrorist and says it will impose worldwide sanctions on anyone doing business with him.
A recent unexpected and informal meeting at a Washington, D.C., restaurant casts light on budding cooperation as the Jewish state and Gulf nations find common cause against Iran.
The collapse of the accord, which sets Iran free to resume prohibited activities, deals a profound blow to U.S. allies and potentially deepens the president's isolation on the world stage.