IN THE 1920S, when the United States had a quasi-Stalinist regime on its southern border, “Viva Cristo Rey!” was the defiant battle cry of Cristeros who fought the radically secular Mexican government’s persecution of the Church. “Viva Cristo Rey!” were likely the last words spoken by Blessed Miguel Pro, S.J., whose martyrdom in 1927 may have been the first in history in which the martyr was photographed at the moment of death. Today, in the U.S., “Cristo Rey” has a different, although not wholly unrelated, meaning – for it’s the name of an important experiment in Catholic education for poor children.