Do they realize they're being recorded?

Last night's episode of the Daily Show featured a great segment of video-taped hypocrisy. Don't these guys realize that when they're talking on TV, they might want to consider the possibility that their words don't instantly evaporate? That they might be used later to point out, shall we say, glaring inconsistencies in their arguments? Welcome to the age of DVRs, voice recognition, Google, and YouTube: