After a week of heated protests and calls for her resignation, Cook County State’s Attorney Kim Foxx and African-American leaders condemned Chicago’s police union and defended how the prosecutor’s office addressed an actor’s alleged hate crime hoax. Foxx vowed to remain at her post during a Saturday news conference, despite intense controversy sparked in March when her office dropped a 16-count indictment that accused television actor Jussie Smollett of orchestrating a racist and homophobic attack on himself to advance his career. Foxx declined to address “the substance of the case” with reporters gathered at the Rev. Jesse Jackson’s Rainbow/PUSH Coalition...