I disagree.
This story is loaded with holes. Cain needs to address this with total vigor and discredit the case completely. Then when the left trots out another liar, he can then dismiss it as another "Bialek"
If he comes out, he best have ALL his ducks in a row. The first question is going to be: Do you know this woman? The direction to take will be apparent depending on the answer. At this point, we don’t know any answers.