facts and fiction, we're joined by ron reagan, the author of "my father at 100." ron, we'll start with this piece of misinformation from michele bachmann. it was a gop debate in tampa back in december. you'll remember she criticized rick perry for ordering the vaccination of young schoolgirls in texas to guard against hpv. then the next morning, she was asked about it and repeated what she was told by a woman the night before. here it is. >> i had a mother last night come up to me, here in tampa, florida, after the debate. she told me that her little daughter took that -- took that vaccine, that injection, and she suffered from mental retardation thereafter. >> i thought the worst part about it was repeating such a scurrilous rumor. >> yeah, the irresponsibility of that. there are many children, of course, that get vaccines for all sorts of things. i know that this is a source of contention for some people, but