From his first appearance on a Vatican balcony Pope Francis proved himself a Pope of Surprises. With a series of potent gestures, history's first Jesuit pope declared a mission to restore authenticity and integrity to a Catholic Church bedevilled by sex abuse and secrecy, intrigue and in-fighting, ambition and arrogance. He declared it should be 'a poor Church, for the poor'. But there is a hidden past to this modest man with the winning smile. Jorge Mario Bergoglio was previously a bitterly divisive figure. His decade as leader of Argentina's Jesuits left the religious order deeply split....