I have to admit I've viewed that scene several times now, and it never gets old. Wiley Coyote doesn't do a better job of running off the cliff than old Mitt did. And he himself dragged Crowley into it.
One thing that's clear is that Romney was ignoring the citizen who asked the question about Libya, and was pleading his case directly to Candy Crowley:
Which explains the way she seemed to have been startled into confirming that the transcript does indeed show Romney to be a liar. Obama had just told him that it was in the transcript and to proceed, Romney turns to Crowley as if for confirmation, and she answered the implied question.
Here's another still from two seconds before that captures Barack's dawning realization of what's about to happen:
Ain't that beautiful?
Current Events » in reply to Wingnuts need to lighten up on Candy
Aye Candy!