Sean Hannity frequently laughs during his radio rants, and by “laughs,” I mean “interjects a weirdly fake-sounding barking noise to demonstrate what a lighthearted, fun loving guy he is.” It is to actual laughter what Fox is to actual news. Anyway, every time I hear him make the “laughter” noise, it tickles some memory just out of reach, reminds me of someone else’s (equally unconvincing) laugh — and I’ve finally just figured it out. Listen for it at about the 11 second mark:

They even look alike, don’t they?