'In 1966, at the age of 23, I made a life-changing decision.' That decision, to travel from Canada to Zambia to work as a volunteer teacher, did indeed change Mary's life. During her years in Lusaka, she married Edward Ndlovu, an executive member of the Zimbabwe African Peoples Union, who had escaped from Rhodesia in 1964. They married, started a family, and moved to the newly independent Zimbabwe in 1980 Over the next 36 years,...