Where a party filed suit previously, res judicata bars him from filing suit based on the same set of operative facts against new defendants if those defendants could have been named in the prior suit, even if they were not.The 1st District Appellate Court affirmed a decision from Cook County Circuit Judge Kathy M. Flanagan.On Aug. 20, 2010, Johnnice Ford filed suit against Ingalls Memorial Hospital, Ingalls Health System, South Suburban Neurology Ltd., Dr. Marvin Zelkowitz, Dr. Saif Nazir and Dr. Larry Foster.In September …