On last night’s Daily Show, Jon Stewart laid out an important scientific principle: Global warming is a hoax, and that’s proven fact, because “it’s cold, today, where I live.”

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But before you break out your script for talking to intransigent climate deniers, you should know that Stewart also knows who’s to blame. We won’t spoil it, but here’s a hint: It’s someone with a proven ability to set up elaborate hoaxes, and who also has an easy-to-rhyme name. It’s possible the latter played a bigger factor than the former in Stewart fingering the culprit.

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