DEAR ABBY: A number of years ago, it came out that my brother-in-law had raped and molested his two daughters and two granddaughters. It tore our family apart. Although my sister said she intended to divorce him, she never did. She also didn’t report it — so he was never convicted of the crime — but we all, including my sister, knew it was true. Since then, my sister has disowned her daughters, my mother and me. She still interacts with her son and his family. I know I shouldn’t miss my sister, but I do. I know my mom ...