PHILLIP PULLELLA POPE Francis has marked the 76th anniversary of the liberation of the Auschwitz death camp by urging people to keep a close watch on ideological extremism, because "these things can happen again". He spoke three weeks after displays of anti-Semitism surfaced at the U.S. Capitol riot on January 6 and two weeks after one of Montreal's largest synagogues was vandalised and almost set on fire. Speaking at his general audience, held inside the papal library because of coronavirus restrictions, Francis said it was imperative that the world did not forget. "To remember is an expression of humanity. To…