Leo XIV urged the Catholic Church to "desperately" counter a lack of faith in his first homily as pope Friday, a day after the modest cardinal largely unknown to the world become the first US head of the 2,000-year institution.
Chicago-born Robert Francis Prevost on Thursday became the 267th pope, spiritual leader of the world's 1.4 billion Catholics and successor to Argentina's Pope Francis, after a secret conclave by his fellow cardinals in the Vatican's Sistine Chapel.
