A vacant house in the 14900 block of Winchester Avenue in Harve was among many in the area included on a list for the Cook County treasurer sale of tax delinquent properties. (Brian Cassella / Chicago Tribune) The south suburbs need help to fix serious problems. Blighted corridors of vacant and abandoned properties plague communities. High property taxes scare away businesses and drive residents from their homes. We’ve become numb to a lack of basic services. A water main break has shuttered public schools again in Dixmoor? Ho-hum, it must be Tuesday. University Park residents can’t drink the water because...