John is joined by Professor Steven Pinker, world renowned cognitive psychologist, psycholinguist and public intellectual.
They discuss why, despite the profound influence of the Enlightenment on the modern world, so many have been captivated by postmodernism and critical theories which reject the essence of the Enlightenment - rationality and objective truth.
Steven applies his mind to other topical questions, including the erosion of free speech, the rise of artificial intelligence and how aspiring writers can hone their craft.
When I stepped down from public leadership in 2005 I did so with a clear and optimistic vision of where this country was headed.By and large, politicians then were men and women of character and principle. READ MORE ABOUT JOHN