This One, That One

Last weekend they aired a rerun of the now-famous Palin-Clinton SNL sketch (the blog title is a link to the full video) and I wondered if anyone else noticed what I noticed... Towards the end (the sequence starts with about 35 seconds to go), Palin (Fey) is encouraging the media to be vigilant about sexism, and Clinton (Poehler) says

Although it's never sexist to question female politicians' credentials. Please, ask this one about dinosaurs.

When she says "this one" she gestures with her thumb at Palin. So... an antecedent for McCain's famous "that one" epithet? McCain stealing lines from SNL? Hmmmmmmm?