NPR reports on the U.S. military seizure of two Iranian-linked oil tankers. Experts discuss the implications of these 'shadow vessels' operating across global oil routes.

NPR's Juana Summers speaks with Elisabeth Braw, senior fellow at the Atlantic Council, about shadow vessels, after the U.S. military's seizure of two Iranian-linked oil tankers. <p>NPR's Juana Summers speaks with Elisabeth Braw, senior fellow at the Atlantic Council, about shadow vessels, after the U.S. military's seizure of two Iranian-linked oil tankers.</p><img src="https://media.npr.org/include/images/tracking/npr-rss-pixel.png?story=nx-s1-5795895" />