Schizophrenic mum kill son: MILWAUKEE -- Elise Ledvina, who had stopped taking her anti-psych medication, tonight stands accused of brutally beating her two sons with a 33-in. baseball bat, snuffing one and critically maiming the other. 8-year-old John was declared dead of multiple skull frac- tures at Children's Hospital of Wisconsin. 9-year-old Joseph was in critical condition at press time. Police say the father, who was outside repairing a bicycle, heard a strange, steady "thumping noise" eminating from the basement. When he entered the house, he found our Heroine beating the bejesus out of little Johnny Jr. wi