Between World War II and Vatican II, as Italy struggled to rebuild after decades of Mussolini's fascism, an eleventh-century order of contemplative monks in the Apennines were urged by Thomas Merton to found a daughter house on the rugged coast of California. A brilliant but world-weary ex-Jesuit, who had recently withdrawn from a high-intensity public life to go into reclusion at the ancient Sacro Eremo of Camaldoli, was tapped for the job. Based...