“Find something interesting to say and say it in an interesting way” is a founding principle of DDB Worldwide, and when Chicago’s Mars Wrigley needed a clever ad campaign to announce its new Twix Cookie Dough, the ad men and women at DDB Chicago put their heads together and came up with: chickens. Two hens applying the age old “Which came first?” debate to cookies and cookie dough. In the audio clip below, DDB Chicago’s executive creative director Colin Selikow tells WGN’s Steve Alexander about the creative process, which while distinctly different from what we saw Don Draper do on “Mad Men,” shares some similarities.