This is inaccurate, the window has been leaning right since Reagan in '80 or arguably Nixon after LBJ pushed through civil rights.
Bernie. As you later say. You’re right, there aren’t enough of him or AOC to make their own party, so they are trying to sell social democracy under the Democrat label, which, to me, seems doomed to fail as it was in 2016.
You won’t find me defending Obama… I think he may be the most overrated president ever. Especially now that cheeto-dust face tan has followed him.