The conventional wisdom of last night's debate among the chattering classes is that either Rudy Giuliani or John McCain won, with Mike Huckabee and Duncan Hunter topping the second-tier. So much for convention. The political analyst Frank Luntz conducted a focus group for the debate, which told him that Mitt Romney won -- and won handily. Here's the clip:

Check out more conventional wisdom and last night's highlights at the RCP Video Vault.