GLENBURN — Donna Keniston was 17 when her mother left Maine in 1981. “I thought she was dead,” Keniston, 50, of Plymouth said Sunday. So did Betty Lukich’s four sisters: Virginia Allen, 72, of Winter Harbor; Dorothy Ham, 77, of Brewer; Mary Inman, 75, and Laura Riegelman, 78, both of Glenburn. The family was reunited […]