Obama not endorsing @Ocasio2018 is really a very clarifying thing. It shows that the rift in the Dem Party between the corporate and progressive wings isn’t some fiction that can be covered up by a #UniteBlue hashtag — the divide is quite real, and quite important.

— David Sirota (@davidsirota) August 3, 2018

This is why party unity is for suckers, in the Democratic Party at least.

It is exclusively a one way street.