I don't think it was a deliberate lie; she's smart enough to know she'd be caught. She actually remembered something that never happened, and that would have been a sure-as-hell memorable event for anyone else. What's scary is that she's delusional, remembering things that never happened. And why didn't Chelsea, who was there, shut her up after the first time? She used the same claim in several speeches.
Bill seems to be getting fuzzy, too, like early-stage dimentia.
The good news is that about 22% of Dems will vote for McCain if their candidate washes out! Demofratricide!
John