The point of 2020 is to elect a good president, not a blah president for the sake of letting someone you like add "VP" to their resume.
But STOP with this "have Biden run for just one term then run Beto" bullshit. That's insulting to both of them. It suggests you don't have real confidence in either as a candidate.
By 2020, she will have had literally the exact same amount of Senate experience as Obama, and *more* experience than him in statewide office overall.