The best offense against the Roseanne/VJ debacle is to see if there is anything racist out there that VJ has said.
I don't see the Dems allowing him on their ticket. On all the boards that are still pissed and angry at him + Berners don't feel like they can trust him after he bent the knee to Hillary. It is still highly repulsive. On top of that he isn't actively addressing what happened with the DNC and the rigging of the Primary. It's not sitting well.