MY daughter is 19 months old. She weighs 26 pounds. Nixzmary Brown was 7 years old. She weighed 36 pounds. If she had not been murdered by a blunt trauma to her skull in the Bedford-Stuyvesant apartment that was at once her home and her torture chamber (complete with child's chair with ropes), Nixzmary might have died of starvation sooner or later. It appears her torturer, rapist and murderer was her stepfather, Cesar Rodriguez. Of course, Rodriguez could have done none of these things to Nixzmary had her mother, Nixzaliz, done something to stop it. Twenty years ago, the murder...