In 1999, Bud Light and DDB Chicago premiered one of the great radio ad campaigns of all time, "Real Men of Genius." This week on Tagline, we dig into the campaign's greatest hits with folks on the agency, client and production sides—to see how a simple radio idea blossomed into a full-fledged entertainment franchise that spawned 200 spots over a decade, as well as TV ads, compilation CDs and even live events.