Such obvious bullshit.
He's leading the party just fine against Trump right now.
I'm saying this as someone that donated ~$1000 to Bernie.
I'm personally glad Biden is handling Ukraine & not Sanders.
You'd have to be astoundingly stupid to think that the DNC is going to change tack 5 months prior to the election.
EDIT: Oh look, there are 12 of them now.
This program will exist until the next #GOP administration.