One of Canada’s foremost authors and journalists, offers a gripping account of the contest between John Diefenbaker and Lester Pearson, two prime ministers who fought each other relentlessly, but who between them created today’s Canada.    John Diefenbaker has been unfairly treated by history. Although he wrestled with personal demons, his governments launched major reforms in public health care, law reform and immigration. On his watch, First Nations on reserve obtained the