Evan Bayh: Too young, too inexperienced to be a heartbeat away from the presidency.
Joe Biden: Most likely to say something on October 30 that will blow it for Obama.
Tim Kaine: Massive eyebrow problems. Sort of creepy. (Photo evidence). I live in Virginia and can't think of anything notable he has done.
Kathleen Sebelius: Will outrage all the Hillary people because Obama picked a woman other than Hillary.