I'm surprised there isn't a posting of this (unless I just missed it) If you google the title you'll find lots of other articles from a week ago. This one happened to be on the top of my search

On a related note, Bernie is leaving the DNC

I think this is Perez' and the DNC aristocracy's way of supporting Trump. They are going to do the same thing again, alienate progressive and young voters, tell them that they don't matter and then try to bully them into voting for whomever they designate as their candidate. It really looks like they are trying to lose.