looks like they're just rolling Biden's senile old bones out as a figurehead and Best Hope Bernie is crafting all his policies.
There is no way they let basement boy debate Drumpf. They will pull a switcheroo at the last moment and annoint the BH Bernie.
https://www.foxnews.com/politics/potential-biden-vp-pick-says-sanders-campaign-has-significant-influence-in-drafting-dnc-platform