For his last official act before a three-month sabbatical, Archbishop of Canterbury Rowan Williams chose a joyous one. He ordained the Reverend Canon Humphrey Southern as a new bishop. The ceremony took place in London's St. Paul's Cathedral, and the crowd smiled to see Williams, the tousle-headed, professorial leader of the Church of England and titular head of its global offshoot, the Anglican Communion, reveling in his mellifluous baritone as he prayed, sang and performed the rite of ordination. "Will you strive for the visible unity of Christ's Church?" asked Williams. Answered Southern, "By the help of God, I...