Primaries, CPS CEO search goes south again, a purge at City Hall

Primary elections took place on March 17. Who were the big winners and losers? Another contender to become CEO of the CPS has dropped from consideration. Who is left? What is the trouble with seating a CEO to lead the nation's fourth-largest school system? Mayor Johnson dismissed two key public safety aides on Thursday. Why was Garien Gatewood shown the exit? `What does this say about the future of City Hall's anti-crime strategy? We'll discuss.