One of the real questions about the Resurrection of Jesus Christ is whether - if He rose - He is alive today, and can be known by His followers. Three Christians: Jenny Hall, actress, Harry Martindale, policeman, Walter Stockdale, doctor, describe how they have come to know Jesus, and the difference knowing Him has made. All three are connected with the Church of St Michael-le-Belfrey, in York, scene of tonight's Songs of Praise...