Pope Leo XIV defended press freedom and urged journalists not to tolerate any abuse in the Catholic Church on Saturday.

ABC News’ Maggie Rulli reports from Vatican City as the first Roman Catholic pope from the U.S. formally took over as the leader of the church and greeted the faithful in the popemobile.

Given his responsibilities running the 1.4-billion strong universal Catholic Church, popes delegate the day-to-day governance of running of the diocese of Roman to a vicar. Sunday’s ceremonies ...

Given his responsibilities running the 1.4-billion strong universal Catholic Church, popes delegate the day-to-day governance of running of the diocese of Roman to a vicar. Sunday’s ceremonies ...