The war has deteriorated over the past six months into Mr. Trump’s own version of a “forever war,” with no clear goals and no end in sight.

© Kenny Holston/The New York Times

Iranians have become increasingly desperate, as they grapple with an economic crisis made worse by the conflict and grow increasingly skeptical about President Trump’s motives.

© Arash Khamooshi/Polaris for The New York Times

Iranians have become increasingly desperate, as they grapple with an economic crisis made worse by the conflict and grow increasingly skeptical about President Trump’s motives.

© Arash Khamooshi/Polaris for The New York Times