Intersting points, Dontomasso. I hope you're right about the right-wing extremists not supporting McBush in November. Amazingly, McCain is still trying to talk about all the warring factions in Iraq and continues to make the same mistakes (as recently as yesterday) about who is fighting. This, to me, is the result of a much bigger problem - McCain is, as Sollozzo once famously said, "slippin'." Big time.
I haven't heard much of Webb's name since we won in 2006 over the opponent who made "macacca" fau paux. Whomever Obama chooses, it has to be somebody viewed with a formidable resume and credibility.
Another name I've heard is Tennessee Governor Phil Bredesen, who's main schtick has been healthcare.....a major election issue looming this fall.