By facing the issue and joking about it, Perry frames his gaffe as a funny moment rather than a serious, and seriously stupid, one. He takes control of the discussion. Every minute he's on the air being interviewed about it is one more minute his moment isn't being replayed, one more minute some panel of pundits isn't fretfully analyzing its stupendous terribleness. By allowing his memory glitch to be the topic of discussion and owning up to it, he helps exhaust the subject. Most of all, Perry is being humanized, albeit not in the way any politician would wish. For...