This is partly right — the breaks were being applied in November/December of 2020 but the truck had a lot of momentum.
Then came January 6 and the Georgia election results.
Quote
Sean T at RCP
@SeanTrende
One of my unprovable/semi-crackpot theories is that the poll error in 2020 is part of what pushed the Biden Administration leftward. The idea that we were about to get a 2008/1932 result was something gained inertia that was hard to blunt when it didn’t materialize.