The changes Francis brought to the papacy were more than skin deep. He opened the church to the outside world in ways none of his predecessors had done before.

As Pope Francis remains in critical condition fighting a complex respiratory infection and double pneumonia, world and interfaith leaders are offering well wishes and prayers for the recovery of the Argentine pontiff.

The process of selecting a new Pope has become a matter of interest for many people. In the Catholic church, anyone who is a male can become pope.