Two new Popes met at the Vatican yesterday, Tawadros II of the Coptic Orthodox Church of Alexandria, Egypt, and Francis of Rome. Churches split after the Council of Chalcedon in 451 over the christological implications of a preposition, an issue widely regarded today as a misunderstanding. Notice that Tawadros carries a Roman cross, while Francis is wearing an Orthodox icon for the visit.  (Andreas Solaro/Associated Press)
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