Biden? Kaine? Bayh? Caroline Kennedy? Or my personal pick, Sibelius!
Maybe the dark horse, Dick Cheney, to totally hammer home the post-partisan message?
Place your bets!
Anybody wired into the text messaging thing? I would have wired myself into it, but I find the soft-focus graphics on the Obama site so creepy I can't manage to set up an account, even a fake one.