Legally it was the delegates at the Democratic Convention who nominated Biden, not Obama. And they are certainly qualified to select Biden as running mate and put him on the ticket.
......He is the one who picked him, NOT DNC......
I don’t think he does anything except what he is told. He is very low on the Rat totem pole and is being run by handlers behind the curtain. His rise is on a stage being furiously jacked up by those invisible persons