If the allegations are true, then Bill O'Reilly used some REALLY bad judgement here. However, I heard the amount of money she was seeking to keep quiet was $60 MILLION DOLLARS???? Please..... that's even more obscene than these allegations against him.
It wouldn't surprise me a bit if he was set up by her for a big payoff, and he took the bait by thinking with the wrong head. I'm not defending his actions if these allegations are true, but she seemed like the type of woman who would do that (her former boss at CNN was charged with sexual harrassment as well..... coincidence?).