Open this photo in gallery: Richard Bilkszto had filed a lawsuit against the Toronto District School Board for failing to protect him after a confrontation during a diversity training session.Deborah Baic/The Globe and Mail An Ontario principals’ group says it is concerned about the safety of staff from bullying and harassment following the recent death of an administrator who had filed a lawsuit against the Toronto District School Board for failing to protect him after a confrontation during a diversity training session. Richard Bilkszto retired as a principal from the school board in 2019 after more than two decades, but...