Doonesbury by Garry Trudeau for October 20, 1989
Mr. Jay: Buttsy, all I want is to be legalized, regulated and taxed, just like you! It's time, man! Did you know pot is the country's second largest cash crop, right after corn! Mr. Butts: Gosh...is there any animosity between you and Mr. Corn? Mr. Jay: You might say that. Every time he sees me, he gives me a real earful! Ha, ha, ha, ha, ha, ha! Mr. Butts: Drug humor hasn't changed much, I see. Mr. Jay: Oh, wow, you're right! What? Did I say something? Never mind.