After this letter, all of us must contend with the implications of the fact that he knew about the death camps—and he did nothing.

The Catholic Church excommunicated Luther. The Lutheran Augsburg Confession calls the papacy the ‘anti-Christ.’ But both sides are hopeful about the future of Christian unity.

We now know everyone who will participate in the historic month-long gathering at the Vatican this October.

Veteran Vatican correspondent Gerard O’Connell joins host Ricardo da Silva, S.J. to give an update on what we know so far about the new letter and what questions remain.

A Reflection for the Feast of Saint Matthew, Apostle and evangelist, by Michael J. O’Loughlin