The discussion covers U.S. spending on the ongoing conflict involving Iran, featuring insights from a retired Marine colonel and a senior advisor.

NPR's Leila Fadel asks Mark Cancian, a retired Marine colonel and a senior advisor at the Center for Strategic and International Studies, about how much the U.S. has spent on the Iran war. <p>NPR's Leila Fadel asks Mark Cancian, a retired Marine colonel and a senior advisor at the Center for Strategic and International Studies, about how much the U.S. has spent on the Iran war.</p><img src="https://media.npr.org/include/images/tracking/npr-rss-pixel.png?story=nx-s1-5775775" />