Filling in for Joan Esposito, Ed Yohnka is joined by Gregory Royal Pratt, Chicago Tribune investigative reporter. Pratt and other Tribune reporters recently published the front-page article "64 days in Chicago: The story of Operation Midway Blitz."

Catch "Joan Esposito: Live, Local and Progressive" weekdays from 2:00 to 5:00 p.m. Central on WCPT (heartlandsignal.com/programs/live-local-progressive).