Warren.
Harris isn't catching on, Biden wasn't a particularly good choice to begin with, the party establishment will cut their own throats rather than quietly accept Bernie and everyone else is going nowhere.
By “the party establishment” do you mean “the party voters?” Because that is who has rejected Bernie. At least two-thirds of his previous supporters from 2016 (when he was also rejected by the voters) have gone to other candidates now.
Or do you mean to imply the 85%+ of the party that does not support Bernie should be held down as this old non-Democratic socialist on the verge of death is forcibly shoved down our throats and we should just “quietly accept” that? Doesn’t sound very “democratic” to me at all. Also sounds kinda rapey. But Bernie would know all about that:
https://www.snopes.com/fact-check/bernie-sanders-essay/I guess Bernouts think our “typical fantasy” is for their lord and savior to be forced upon us against our will, but I can assure you it is not.