President Trump’s pendulum swings on Iran have often seemed driven by mood and moment rather than any discernible strategy.

© Doug Mills/The New York Times

A deal to end the current blockade is merely an enticement for the next blockade and the one after that.

The leaders of both countries are expected to discuss the risks from artificial intelligence, but neither country is willing to be the first to slow down.

How the economic shock waves of Trump’s Iran war will be felt globally.

The war in Iran, trade, artificial intelligence and Taiwan are expected to be on the agenda. But expectations are modest.