PBS NewsHour

What we know about deadly explosion at Russian military site

Clip: 08/13/2019 | 10m 55s | Video has closed captioning.

An explosion at a Russian missile testing site last week killed at least seven people and caused widespread fears of a radiation leak. While officials offered little clarity, analysts believe the Russians were testing a nuclear-powered cruise missile – one President Vladimir Putin boasts can’t be stopped by U.S. missile defenses. William Brangham talks to Angela Stent of Georgetown University.