is bait McCain and watch his head explode. Or be friendly, and watch his head explode. Or squash his talking points with logic and sound policy arguments, or shake his head and smile when McCain blusters or a host of other things, and watch McCain's head explode. Personally I won't be missing a second of the "debate", because I want to see... McCain's head explode

(Or maybe he'll just pucker all up and IMplode?)