A severely unanalyzed factor: Bloomberg. Yes there were bumps but Bernie had started contrasting more with Biden and it was working. But then came Bloomberg& #39;s insane ad spending, and his attacks on Bernie, which meant that for 2 crucial weeks, Bloomberg was the focus.1/2 https://twitter.com/davidsirota/status/1250511694834491392">https://twitter.com/davidsiro...

That not only took heat off Biden, it allowed Biden to reposition himself as the centre of the field rather than the right (which he is). In other words Bloomberg& #39;s investment paid off on the front he cared about most: stopping Bernie. We were up against a hydra-headed beast. 2/2