DEAR ABBY: My 7-year-old granddaughter, “Hannah,” is the light of my life. Her mother walked out on her when she was 2, and her mother’s parents don’t know she exists. Her mother hid her pregnancy and delivery, and the child has lived with us since birth. My heart has always broken for her maternal grandparents. I could not imagine not knowing Hannah and missing out on her life. I have always wanted to send them pictures or even introduce her to them (they don’t live far from us). My husband says it’s not our place, and we run the risk ...