In this episode: Nationalist Michael Davitt and how he inspired reform movements around the world; the aristocrat who became a champion of Catholic emancipation; and the history of intelligence. Featuring Ciara Daly, curator of the Michael Davitt exhibition at Trinity College Dublin; Síle McGuckian, author of Anglesey in Ireland, 1828-1833: Worse Than War; and Dr David Brydan, King's College London historian.