Pope Francis addressed the Belgian victims of clerical sexual abuse again on Saturday, offering words of contrition in a speech at the Basilica of the Sacred Heart in Koekelberg. “Abuse generates atrocious suffering and wounds, undermining even the path of faith,” the pope told the congregation gathered in the church. “One of the roots of violence stems from the abuse of power when we use the positions we have to crush or manipulate others,” he added, vowing that the Catholic Church would learn from the victims. The pontiff was speaking after a bruising welcome to Belgium from Prime Minister A…