14 August 2014 - Kleisli talk show

host: Today’s topic is important but it’s one you may have never heard of: Kleisli arrows. Can you tell the studio audience what Kleisli arrows are? Are they related to the Chrysler Building?
theory: Yes, they are. Kleisli arrows are related to everything.
host: If they’re so central, why have I never heard of them?
theory: For the same reason that you’ve never heard of quantum chromodynamics, which is also related to everything.
host: I can’t even pronounce that!
theory: Anyway, to begin with let’s establish a few definitions—
[cut to commercial]