Pope Francis asked forgiveness on Monday for the Roman Catholic Church's "non-Christian and inhumane" treatment in the past of the Waldensians, a tiny Protestant movement the Vatican tried to exterminate in the 15th century. The Waldensians, who now live mostly in Italy and Latin America, were founded by Peter Waldo in France in the late 12th century. He gave up his wealth and preached poverty but as the movement grew it came into increasing theological conflict with the papacy. The movement, an early precursor of the Protestant Reformation in the 16th century, was branded as heretical and in 1487 Pope...