Open this photo in gallery: Grade six students at Rockford Public School in Toronto work with course materials during a social studies class on the Holocaust, on Jan 23.Fred Lum/the Globe and Mail With Ontario and British Columbia in the process of making the Holocaust a mandatory subject in their schools, the Jewish advocacy organization B’nai Brith Canada is pushing more provinces to do likewise. The Ontario and B.C. governments both announced this week that they would require Holocaust education for high school students. A year ago, Ontario announced that the subject would become a mandatory part of its Grade...