Khan Abdul Ghaffar Khan

Pope Francis lights a candelabra at the conclusion of an encounter to pray for peace in Piazza del Campidoglio in Rome Oct. 20. (CNS/Paul Haring)

The pope has already taught nonviolence: Let's put it in an encyclical

Commentary: An authoritative teaching document could call the entire church to Gospel nonviolence. Imagine if all 1.2 billion Catholics in the world were to practice creative, nonviolent peacemaking. A tsunami.

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