SPRINGFIELD — In 2009, a Cook County jury acquitted a defendant charged with murder who admitted to stabbing another man 61 times.Despite his admission, the defendant — Joseph Biedermann — was found not guilty by arguing a “gay panic” defense.Biedermann claimed his violent reaction was in response to unwanted sexual advances by the male victim, Terrance Hauser.Eight years after Biedermann’s acquittal, the state Senate has approved a bill that would eliminate the use of “gay panic …