That's just a bell curve. It's a normal distribution.

In order to see the Dems move policy left, we need a ranked choice voting system of some type where you can actually vote for the candidate you want without throwing it away if they don't win.

Not to mention that moderates can be counted on to actually get off their asses and vote most of the time.

I swear I am convinced at this point that we won't see major progressive initiative in the democratic party until those of us that actually show up find our 20 closest friends and drag them by the hair to register and cast the ballot during the primaries, and then do it again in the general because by then they'll be saying their own guys are shitlibs or whatever excuse to not be accountable to the cause.