Bestselling crime writers Peter Edwards and Antonio Nicaso reveal the final years of Canada's top mafia boss, Vito Rizzuto, and his bloody war to avenge his family and control the North American drug trade.      Until Vito Rizzuto went to prison in 2006 for his role in a decades-old Brooklyn triple murder, he ruled the Port of Montreal, the northern gateway to the major American drug markets. A master diplomat, he won the respect of rival mafia clans, bikers and street gangs,