The debate about naming a playground at Ronan Park in honor of the late 11-year-old Maryann Hanley who was murdered in the park on Aug. 11, 1983, brought me to think of Tiffany Moore. She was 12 when she was murdered by cross gunfire with the Castlegate gang on Aug. 15, 1988. She was sitting on a mailbox at the corner of Humboldt Avenue and Ruthven Street, three blocks from