(Springfield, IL) — Illinois’ largest public sector union is finally taking sides in the race for governor. AFSCME on Friday announced that it is endorsing Democrat J.B. Pritzker in November. AFSCME’s announcement is not a surprise. The union has battled for years with Pritzker’s opponent, Governor Bruce Rauner. The union says Governor Rauner has harmed the state. It says its endorsement of Pritzker was unanimous.