There is a lot going on with nuclear weapons at the moment - from UK and German announcements, changes in the way China is thinking about nuclear doctrine, and US recapitalisation (including some spoilers about what to expect from the US Nuclear Posture review due out in January 2022). Who better to discuss all this with than RUSI's own doyen of WMD, Dr Matthew Harries? He and Peter try to avoid theological questions and stick to the reality. Find out if they succeeded.