Pope Leo arrived in Equatorial Guinea on Tuesday on the fourth and final leg of his Africa journey, and denounced the “colonisation” of Africa’s minerals and the “lust for power” in a country whose repressive leader has been in office since 1979. Adoring crowds in the largely Catholic country lined the road from the airport into the administrative capital, Malabo, cheering the first pope to visit since St John Paul II in 1982. Wearing his formal red mozzetta cape, Leo thrilled the flag-waving...