Of the 4 to choose from Pete is the best least worst choice but that is not saying much.
TBH, I'm not sure any of the Dem candidates would be better than awful. All seem to have serious vulnerabilities, and most have a name-recognition problem. Biden has name recognition, but he's got decades of flip-flopping and gaffe-generating baggage. All seem caught up in the current
Free-Shit Auction, trying to see who can offer the most while pandering to the special interests. I do not think that is playing well with normal people.