Day 203.Today, we analyse the tactics Ukraine used to break the Russian lines in the east; look at what Ukrainian troops and journalists are finding in the liberated territories; and finally we discuss something that’s been on the edge of conversations for many months now: nuclear weapons.Contributors:David Knowles (Host). Follow David on Twitter @djknowles22.Dom Nicholls (Defence & Security Editor). Follow Dom on Twitter @DomNicholls.Roland Oliphant (Senior Foreign Correspondent). Follow Roland on Twitter @RolandOliphant.Dr Mike Martin (Writer and visiting fellow at Kings War Studies).Alina Polyakova (Managing Editor Ukrainska Pravda).Email: podcasts@telegraph.co.ukSee Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.