Gabrielle Rifkind offers a unique insight into political extremism. When we talk about IS and similar groups, we approach them as political organisations. What, however, would Sigmund Freud have made of these deadly entities? Does the turmoil of fundamentalist Islam make more sense to psychologists than to anyone else?

Seventeen years ago a suicide bomber murdered 22 people in Tel Aviv. In Beat, Rowan Somerville tells the story of how the heart of a Palestinian pharmacist, killed in an act of retribution in the midst of the Second Intifada, came to save the life of a dying Israeli.

Gabrielle Rifkind is a practising psychotherapist, group analyst and a specialist in the resolution of conflict. She has spent the past two decades working in conflict resolution in the Middle East. She recently founded and directs the Oxford Process, a conflict mediation initiative which works quietly behind the scenes to prevent countries tipping into conflict. She is the conflict mediator, on Radio 4 show Across the Red Line, which deals with radically different viewpoints.

Rowan Somerville is former Head of Programing for MTV Europe and Head of Development for BBC Entertainment. His novel The End of Sleep was shortlisted for the Commonwealth Writers’ Prize and the New Writers Award in Ireland.

Hugo Rifkind is an award-winning Edinburgh-born journalist who writes columns for The Times, Spectator and GQ. He writes the satirical column My Week on Saturdays and is a frequent panellist on BBC Radio 4’s The News Quiz.