In a message to the Orthodox Patriarch Bartholomew I of Constantinople, Pope Francis wrote that "there is no longer any impediment to Eucharistic communion which cannot be overcome through prayer, the purification of hearts, dialogue and the affirmation of truth." The Pope's message to the Ecumenical Patriarch was timed for November 30, the feast of St. Andrew, patron of the Constantinople see. Each year the Holy See sends a delegation to celebrate that feast with the Ecumenical Patriarch, just as the Orthodox leader sends representatives to Rome for the patronal feast of Sts. Peter and Paul on June 29. This...