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It is unlikely that Yogi Berra actually said "It's like déjà vu all over again," but who really cares. It's still a great line.
Darius' piece, though, made me want to post this video, of the Monty Python sketch, It's The Mind, which twists itself into an infinite Möbius strip that, not surprisingly, terrifies its protagonist.
Continuing this theme, I point out that I have previously written about Monty Python, most notably here, and to a lesser degree, here. So, if you want your own déjà vu experience, go back and read them again. Or read them for the first time, I guess.