Big news: Biden’s long-awaited Nuclear Posture Review is finally out! This week, Tom Collina talks with Jessica Sleight and Jon Wolfsthal from Global Zero. They review Biden’s nuclear weapons policy, and discuss where it fell short and how it can be improved.

On Early Warning, Angela Kellett sits down with Scott Roecker, Vice President of the Nuclear Material Security Program at the Nuclear Threat Initiative. He discusses Russia’s unsubstantiated allegation that Ukraine is preparing to use a dirty bomb.