Crystal McPhee remembers a time in the 1990s when she was preparing a young Black man with dreadlocks for an interview in sales. She worked in the staffing industry and her goal was to have him present in a professional manner to fit in and get the job. Back then, professionalism was about looking the part: the right clothes, the right hair, the right demeanour. “I told him to tie his hair back. If it was Friday night in the club, I would have thought it was all kinds of nice, but it was a 9-to-5 [job]. And I told...