Doonesbury by Garry Trudeau for October 25, 2010
Zonker: Check it out - over there in the clearing! Zipper: Sweet Mary and Jane! Zonker: So what do you think? Zipper: What do I think? I think someone's been practicing to be a commercial pot grower! Zonker: For his whole life, actually. Zipper: I know, but he's stepped it up!