McCormick On Air! McCormick House Hangout Family Activity McCormick House South Porch Thursday, June 25, 10 am – 1 pm Tune in and drop by the McCormick House south porch for a hands-on family activity all about radio! Explore Col. McCormick’s connection to WGN, put your listening skills to the test with a mystery object, and uncover how Foley artists turned ordinary items into extraordinary