Harvard University Professor Steven Pinker and author of 'When Everyone Knows: Common Knowledge and the Mysteries of Money, Power and Everyday Life,' talks to Paddy O'Connell about free speech, US university campus culture and the state of US democracy under President Donald Trump. Newsnight is the BBC's flagship news and current affairs TV programme - with analysis, debate, exclusives, and robust interviews. #politics #democracy #stevenpinker #freespeech #newsnight #donaldtrump #trump Website: X: TikTok: @newsnightbbc Instagram: Facebook: Bluesky: