Reuters: There have been 13 popes named Leo in the history of the Roman Catholic Church but perhaps none of them was as famous as the Leo who entered the Vatican on Thursday: Hollywood star Leonardo DiCaprio. DiCaprio, who is known as Leo, was received by Pope Francis, the Vatican said, without giving details. But the one-line announcement was enough to send photographers and television crews scrambling to stake out the Vatican's gates to try to catch him coming out. Footage issued later from Vatican television...