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Nate Cohn @Nate_Cohn
@gelliottmorris @julia_azari @smotus one possibility is that the economy doesn't matter in even number years that aren't divisible by four; the other possibility is that the economy always matters quite a bit, but it's one of many factors, and so when you reduce to n=17 you don't have a clear relationship — PolitiTweet.org