The new head of the Catholic Church, Pope Leo XIV, is making artificial intelligence a signature issue. Last week, the Vatican hosted tech leaders at a two-day international AI conference in Rome. WSJ’s Margherita Stancati reports on why Silicon Valley is watching to see if Leo will use the Church’s moral authority to push for stronger AI rules. Jessica Mendoza hosts. Further Listening: - The Financial Mess Facing the Vatican - Pope Francis Has Died. What’s Next for the Catholic Church? Sign up for WSJ’s free What’s News newsletter. Learn more about your ad choices. Visit megaphone.fm/adchoices