Doonesbury by Garry Trudeau for July 12, 1971
Transcript:
Mark: It was nice of you to drop by, Cal. Co-worker: Hey, Slackmeyer! Get that creep off the site! Mark: Don't pay any attention, Cal...the guys are just sore because many have lost their jobs on account of the 10% minority group quota...Calvin: That's no excuse for being hostile! You hardhats are all the same! Mark: Ah, Cal... Calvin: Behind every blue collar lurks a red neck!