text: SHOPTALK: Don't Tread On Me (AdWeek.com) AdWeek.com - What do you do when you evoke the ire of the ad industry's largest trade organization? You launch an editorial-cartoon contest about it, of course. That's what Talent Zoo, the Atlanta-based job-recruitment and -placement specialist for the ad business, did last week after that nasty spat with the 4A's over a column on the Talent Zoo Web site criticizing Advertising Week.