A U.S. bishop thought it was unlikely that Catholic cardinals would break with more than two centuries of precedent to pick a pope from the states, but it has happened.
President Trump said in remarks from the Oval Office that the two countries are "affirming that reciprocity and fairness is an essential and vital principle."
John Allen, editor of the Catholic news website Crux, tells CBS News about the dinner he recently had with Cardinal Robert Prevost, the American who was just elected pope.
