With Nobel prize-winning economist Esther Duflo.

With director of the Pew Research Center, Michael Dimock; and director of the KCL Policy Institute, Bobby Duffy.

With John Harris from The Guardian.

Ian Leslie and Matthew Taylor test out a new theory about the paths to polarisation.

With former economic policy adviser to the shadow chancellor, James Meadway, and Professor Gregory Claeys.

With Marie Le Conte and Paul Mason.

With Claire Farrell from Extinction Rebellion and Dr Alice Bell from 10:10 Climate Action.

Is religion still shaping our politics? And has its decline led to a wider search for meaning in public life? With Elizabeth Oldfield from think tank Theos.

Three of the world's leading thinkers give their take on how big political and societal change happens. With Doris Kearns Goodwin, Cass Sunstein & Roberto Unger.