Open this photo in gallery: Concordia university's downtown campus on Nov. 14, 2017 in Montreal.Ryan Remiorz/The Canadian Press Canadian universities are facing a series of proposed class-action lawsuits that accuse the schools of failing to protect their Jewish students from antisemitism and discrimination. The latest, launched last week, is aimed at McMaster University. Other class-action claims involve Queen’s University, Toronto Metropolitan University, York University, Concordia University and the University of British Columbia. In several cases, the suits also name the university’s student union. The actions were all launched in the past three months by Diamond and Diamond, which describes itself...