Being with the people "is the most beautiful place" to be, he told priests during the chrism Mass in St. Peter's Basilica April 18.

This week on "Inside the Vatican," we'll talk about some of the questions the pope emeritus' letter raises.

Trump says in a tweet that he offered "condolences from the People of the United States for the horrible and destructive fire."

The best way to approach things is to find allies in the Islamic world who share a vision of tolerance and openness and who recognize the concept of the Abrahamic religions as having a common core of beliefs.

"When you become a slave to your phone, you lose your freedom," Pope Francis said.