Open this photo in gallery:Andy Filipowich is a high school teacher by day, but a prolific Wikipedia editor by night.Galit Rodan/The Globe and MailThe bronze bust of William Lyon Mackenzie sits on a tall plinth tucked away in Toronto’s Queen’s Park. He has a defiant expression, befitting the rebel leader against Upper Canada, and a swooping hairdo that looks like a bird perched atop his head. Earlier this summer, Andy Filipowich was here to take in the statue. He’s a high school teacher by day, ...