Wsj Opinion: Potomac Watch

The press touts a leaked, preliminary Defense Intelligence Agency assessment saying Iran's nuclear program was only set back by months by U.S. airstrikes. But the White House pushes back hard, and other analysts suggest far more extensive damage. Who's right? Plus, NATO allies agree to Donald Trump’s demand  to spend 5% of their gross domestic product on defense.   Learn more about your ad choices. Visit megaphone.fm/adchoices