An instructor at Stanford University has been removed from teaching duties as the school investigates reports that during a discussion on the conflict between Israel and Hamas, the instructor downplayed the Holocaust and singled out students “based on their backgrounds and identities.” “Without prejudging the matter, this report is a cause for serious concern. Academic freedom does not permit the identity-based targeting of students,” Stanford said in a statement Wednesday. “The instructor in this course is not currently teaching while the university works to ascertain the facts of the situation,” the statement continued. The instructor, who is not a faculty...