Freedom of expression is complex, challenging – and crucial

It feels as if we’re at a critical moment regarding discussion of free expression in the UK and the US. #cancelculture has been trending on Twitter; a letter signed by major literary figures warns of ‘rising censoriousness’; individuals are being stripped of titles and posts. With so much commotion it can be difficult to see the big picture – what are these the key threats to freedom of expression, and how are they being imposed?