Montreal — Every year, in memorial ceremonies across the country, Genevieve Bergeron's name is heard first when the list of the victims of Canada's worst mass shooting is read. The tragedy of her death overshadows her life for most Canadians. They're seldom told she was a loving, inspirational sister, a top student, a gifted musician and a talented athlete. "For me, she was like the sun," said Catherine Bergeron, who fought tenaciously for tougher gun laws after her sister was killed. "I see her like sunshine. She was a beautiful blond, with blue eyes, always smiling." Genevieve was 21 when...