'I Am a Mystic' 'I never doubt,' says Bishop Spong. 'It's not that I'm getting older and cramming for finals. It's that God becomes more real.' Interview by Deborah Caldwell John Shelby Spong was the Episcopal Bishop of Newark, N.J., for 20 years before his retirement in 2000. Widely admired (and often scorned), Spong is a leader of the worldwide liberal Christianity movement. He has taught at Harvard, the Graduate Theological Union in Berkeley, Calif., and has lectured in North America, Europe, Asia, and the South Pacific. He is the author of 15 books, including his latest, The Sins of...