This week on “Inside the Vatican,” we look at how Francis has changed the role of papal secretary and discuss Father Gonzalo Aemilius, the pope’s new personal secretary, who is known for his work with street children and drug addicts in his native Uruguay.

Archbishop Jose H. Gomez of Los Angeles said the issue of migration was among the topics discussed with the pope, who told them "how it's important for all of us in the church to be open and welcome immigrants."

During his visit to Poland in 2016, the pope visited the Auschwitz death camp, where he prayed in silence and met with survivors of the Holocaust.

Francis has known him since 2006, when as archbishop of Buenos Aires he heard about his work with street children and drug addicts and contacted him.

Francis has shown a great interest in Iraq and its people that have suffered so much since the U.S.-led invasion in 2003.

He succeeds Cardinal Angelo Sodano, 92, who was dean for almost 15 years.