Cook County got its first look at just how serious its pension problems are Tuesday. County Treasurer Maria Pappas elaborates on the numbers that “stunned” her, and how city pensions affect your household’s bottom line. Eight Forty-Eight talks to an industry reporter about former Tribune executive Randy Michaels’ new aquisition of local radio stations, and what this means for the local broadcasting scene. Reporters Brian Mann and Gabriel Spitzer continue exploring the challenges facing the Great Lakes for WBEZ’s ongoing series Front and Center.