By the time the trial started in Terry Enadeghe’s civil suit against Charles Dahms for alleged negligence and willful-and-wanton conduct based on a violent confrontation at Jackson Boulevard and Clinton Street in Chicago, Dahms had been convicted of aggravated battery on a public way for allegedly hitting Enadeghe in the face with a briefcase; the Illinois Appellate Court affirmed the conviction; and the Illinois Supreme Court declined Dahms’ petition for further review.But because his petition for certiorari …