Mat Ewins, Sara Barron, Reginald D Hunter

Host Sara Pascoe is joined by comedians Mat Ewins, Sara Barron and Reginald D Hunter, who compete to deliver the best lecture. Mat's lecture is 'The Challenged Facing Western Democracies In The 21st Century', Sara's is 'Measuring What Makes Life Worthwhile' and Reginald's is 'On the Origin of Stereotypes'.