1. “It didn’t bring calm, it didn’t bring peace, and it never will.”

President Trump announced his decision to withdraw the U.S. from the “horrible one-sided” Iran nuclear deal. The move fulfilled a campaign vow, isolated the U.S. from many allies, and raised further fears for the Iranian economy, which is already in free fall.

Our national security correspondent sees Mr. Trump’s decision as a grand, highly risky bet that he can “break the regime.”

Mr. Trump also announced that Secretary of State Mike Pompeo was headed to North Korea, raising hopes that several Americans might be released.