Chicago’s top prosecutor apologized Wednesday because an attorney who works under her implied in court that 13-year-old Adam Toledo was holding a gun when a police officer fatally shot him, and she acknowledged that neither she nor anyone in her office tried to clear up the matter until right before video was released showing that wasn’t actually the case. The Cook County state’s attorney’s office came under fire after the April 15 release of body camera video showing that Toledo either dropped or tossed the gun less than a second before Officer Eric Stillman shot and killed him early on...