What does it mean to be a heretic? Why is dissent from the dominant orthodoxies of our age so important? It’s a topic Tara's guest today has thought a lot about, as a progressive who frequently questions the thinking on his side of the aisle. And he says that, in fact, we owe much of human progress to the heretics throughout history who have dared to dissent.

Brendan O’Neill is the chief political writer for Spiked, and the host of The Brendan O’Neill Show. His new book is A Heretic’s Manifesto: Essays on the Unsayable.

You can find Tara Henley on Twitter at @TaraRHenley, and on Substack at tarahenley.substack.com