Gregory Kulacki, China project manager at Union of Concerned Scientists and Miyako Kurosaki, research coordinator at the Hiroshima Organization For Global Peace talk about a new report that shows how Japan is not an obstacle to a US No First Use policy.

Early Warning features Allen Hester, legislative representative for nuclear disarmament and Pentagon spending at the Friends Committee on National Legislation and Ryan Mason, a corporate security professional and MSC student in the Security Studies program at Liverpool John Moores University.

And Michelle Dover answers a listener’s question about the oldest nuclear weapons still in use.