Only once. But it really did happen, many years ago, when he was in college and she was a prospective student. As far as I know, she forgot about it until recently. Honestly, it wouldn't be worth mentioning now, except that saying "Ron Paul" is apparently a good way to boost traffic to your website.
So. Now that all you Ron Paul supporters are reading the Egg anyway, you might as well stay a while. Look around. You'll find that we like the Constitution, too, although maybe not in that wild-eyed maniacal way you guys do.