Joan Bakewell talks to the head of Britain's Reform Jewish community, Rabbi Dr Tony Bayfield, who has devoted his life to challenging those who claim to have a monopoly on truth. He talks openly about the Holocaust survivors who taught him at theological college, the place of converts within Judaism and how his training and work as a Rabbi left him utterly unprepared for the untimely death of his wife. Rabbi Bayfield has focused strongly on promoting Jewish-Christian-Muslim dialogue as well as criticising all forms of fundamentalism. In 2008, he spearheaded a commitment to collaborate with other branches of Judaism in an attempt to embrace diversity and pluralism and reduce in-fighting. His stance has seen him publicly oppose his friend of 40 years, Britain's Chief Rabbi Sir Jonathan Sacks. Yet that friendship remains, despite the passionate theological divide.