Nuclear risk — what is it and how is it assessed? Ploughshares Fund President Dr. Emma Belcher discusses these questions with Dr. Patricia Lewis, director of the International Security program at Chatham House.

On Early Warning, Lauren Billet is joined by Shannon Bugos, senior policy analyst at the Arms Control Association. She discusses Russia’s decision to suspend inspections under New Start and what it means for future arms control dialogue between the US and Russia.