Dr. Roger Perrault The trial of the doctor at the centre of the tainted blood scandal is set to begin Monday after months of legal wrangling and delays. Dr. Roger Perrault, former national medical director of the Canadian Red Cross, faces criminal charges for his alleged role in allowing hemophilia patients to receive tainted blood products in the 1980s and early 1990s. The incident is widely considered to be Canada's worst medical disaster of the last century. More than 1,000 Canadians were infected with HIV and as many as 20,000 contracted hepatitis C after receiving the blood. It's not...