Ex-US Envoy on Plague Death: 'Hold the Russians' Feet to the Fire'

Fears of a plague outbreak are mounting as the WHO presses Russia for details on a researcher's mysterious death. Marshall Billingslea, former US arms control envoy, tells Erin Burnett that 'Russia's got a lot of answering to do.' Billingslea, who has negotiated with Moscow in high-stakes settings, calls for holding Russia accountable and ensuring transparency. The interview highlights the urgency of the situation and the need for international cooperation. The video provides expert analysis on the diplomatic and public health dimensions of the case.