A look at U.S.-Iran tensions, the papal hand slap and The Two Popes.

“War only brings death and destruction. I call on all parties to keep alive the flame of dialogue and self-control and avoid the shadow of enmity.”

Perhaps predictably, Catholics who have come to view Pope Francis as a threat to the clarity of church teaching could only see the worst in the pope’s angry reaction to the grasping pilgrim.

Ecological sin was discussed at length during Synod of Bishops for the Amazon in October

Pope Francis had slapped a pilgrim's hand in an incident that quickly went viral on Twitter. Departing from his prepared text the next day, he said that "love makes us patient. We often lose our patience; me, too, and I apologize for my bad example last night."

For our New Year’s Day episode of "Inside the Vatican," the hosts look back at some of the biggest Vatican stories of 2019.