There wouldn't be any point to it as most politicians think debates are only good for election time. One is an elected official, the other a former elected official. Plus, Joe would fail miserably.
A debate serves no purpose for either one of them. Dick is out of the picture and his comments have little impact. Joe is a vice president and his comments have little impact.
Walter, if it were up to me, yours would be chosen as best answer. And you're right on point, there is no way 0bama would allow Biden to go head to head with Cheney!
Cheney would never do that. He's the school yard bully. I would love to see it. It would be another slaughter just as when President Obama met with the GOP a few weeks ago.