Dr Gavin Ashenden speaks to Father David Palmer, chaplain to Nottingham University, about shocking sexual blasphemy in a children’s book which has divided staff at a Catholic school in south London.

Father Palmer, who was last year “cancelled” after he expressed forthright Catholic views over social media, discusses the decision by the Archdiocese of Southwark to stop author Simon James Green visiting The John Fisher School in Purley.With Dr Ashenden, he explores some of the ideological, sociological and theological issues at the heart of this clash between Christianity and an overtly hostile secular culture in the fourth of our podcast series.