Name: Nuclear monitoring stations fall silent after Russian explosion
Uploaded: Tue Aug 20 2019 01:44:00 GMT+0000 (UTC)
Duration: 7 min
Description: Michael R. Gordon, national security correspondent for The Wall Street Journal, talks with Rachel Maddow about his reporting on four Russian nuclear monitoring stations that mysteriously fell silent in the wake of a deadly explosion involving nuclear materials.

Aug. 20, 201907:00