Sen. John McCain slams Charles Barkley for Romney jab: 'you're clueless'

Meeeowww. The claws come out.

Was “wanna bet?” a dig at Barkley’s compulsive gambling problem?

McCain was responding to Barkley’s comment during the Sunday night Celtics game that Romney seems “like a nice enough guy, but we’re gonna beat you like a drum in November.”