Joe Biden Just Killed the Momentum Theory of Politics
An eight-word summary of the Democratic primary: Momentum is a myth, and demographics are destiny.
by Derek Thompson
Mar 03, 2020
2 minutes
Politicians desperately want it. Journalists brag about seeing it. And some scientists claim it doesn’t even exist. It’s momentum—the idea that strong polls and early primary victories propel candidates to even more strong polls and even more primary victories.
The specter of this mythical political force haunts TV coverage of the primary season. Past research has indicated that the word is uttered on broadcast and cable news. But try applying the concept to the 2020 Democratic
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