 DuMont got his start in broadcasting as a producer for WGN 720 AM in 1968.He interrupted his radio career to make an unsuccessful run for a seat in the Illinois Senate in 1970, then returned to WGN, this time as a producer for Howard Miller, a controversial radio personality.DuMont gained his first on-air radio experience at WLTD, now WCGO, in Evanston, Illinois, a 1,000-watt AM station at the time.