Trump’s Iran Strategy: A Cease-Fire Wrapped in a Strategic Muddle

President Trump opened a small window for diplomacy with Iran on Wednesday, but combined his words with bald threats that made it hard to see how the two countries could break out of their cycle of confrontation and revenge.

The speech was, in many ways, the sound of muddled policy. It showed that after three years in office, Mr. Trump has yet to resolve the two conflicting instincts on national security that emerge from his speeches and his Twitter feed: bellicosity and disengagement.

And he included all the other requisite...