VATICAN CITY (Reuters) -Pope Leo XIV will formally take up his role as leader of the global Catholic Church on Sunday, with a Mass in St. Peter's Square that will draw tens of thousands of well-wishers, including dozens of world leaders and European royalty.

ROME — The new Chicago-raised Pope Leo XIV faces an immediate challenge in his native country: taming the brawling U.S. tribe of Catholics, riven by political divisions that have thwarted the will of his predecessors.

I met the man who would become Pope Leo XIV in October 2023. We were standing outside the Vatican’s Synod Hall, and from my short conversation with Cardinal Robert Prevost, I could tell he was a good listener,