Until this accuser does so, Cain can simply say the same thing: she's obligated to put up or shut up and in the meantime, until she does so, his reply to the media should be, "Don't waste my time and the American people's time with such filth and distraction."
I think Cain needs to come out and say these things instead of ignoring it or knee-jerk blaming the media.
That I agree with.