Do we value the right ideas? Two concepts come in for close scrutiny in this edition of Free Thinking: Rationality and Tradition. So, what are they, how has our understanding of them changed over time and why do we seem to place such little emphasis on each in our contemporary world? Presenter Anne McElvoy will listening to the arguments as Steven Pinker makes the case for rationality and Tim Stanley for tradition.

Steven Pinker is Johnstone Professor of Psychology at Harvard University and author or Rationality: What it is, why it seems scarce, why it matters

Producer: Ruth Watts