‘People often talk about Chatham House rules in the plural...there is just one rule.’
In a special #CHCentenary Undercurrents episode on the history of the institute, Malcolm Madden tells us about the origins of the Chatham House rule
On podcast apps 
https://www.chathamhouse.org/file/undercurrents-episode-62-100-years-chatham-house?utm_source=twitter.com&utm_medium=organic-social&utm_campaign=ch-centenary-social&utm_content=undercurrents-episode-62-centenary-clip …pic.twitter.com/9uFmxdhAJe
