Young love lost, an only son gone, after fatal training accident at Camp Pendleton
DEL MAR — Kathleen Isabel Bourque sat on the edge of a rock outcropping at the beach. Wearing a white, eyelet slip dress and a camouflage Marine Corps blouse, she urged eight-month-old Ruthie, her black Labrador puppy, to jump up next to her. The place was a spot where the love of her life and…