Restraining order puts brakes on pot operation A Cook County judge on Wednesday halted a medical marijuana-growing operation, granting a temporary restraining order that heightened concerns about legal challenges over how the state issued cannabis licenses. In the first lawsuit filed against the state over the marijuana program, Circuit Judge Kathleen G. Kennedy’s action puts on hold a permit for the Chicago-based Cresco Labs to grow marijuana in Kankakee. Around the state, growers expecting permits are …