President Trump's shift towards a forceful stance on Iran's nuclear ambitions mirrors past U.S. approaches with North Korea, highlighting a recurring dilemma in presidential foreign policy decisions.

Trump shifts from diplomacy to force on Iran's nuclear ambitions, echoing past U.S. dilemmas with North Korea, where similar choices by presidents produced very different outcomes. <p>Trump shifts from diplomacy to force on Iran's nuclear ambitions, echoing past U.S. dilemmas with North Korea, where similar choices by presidents produced very different outcomes.</p><img src="https://media.npr.org/include/images/tracking/npr-rss-pixel.png?story=nx-s1-5820631" />