Doonesbury by Garry Trudeau for January 13, 1986
Transcript:
Man: Aggression: long regarded by ethologists as instinctive, it governs much of the day-to-day behavior of both man and beast. It can assume raw, ugly forms, over as trivial a matter as a soccer match. But nowhere in nature is the potential for violence as keenly persistent as it is with college roommates. Sal: Open! The window stays open!