Don't tell her anything. Especially don't unload a whole bucket load of WT crap on her. Technique is much more important than the info you want to unleash.
She has to do the thinking and the talking, not you. The more you try and do it for her, the greater the chance that she will block you out and run back to the KH.
Ask her a simple question that you already know the WT hasn't given her a sensible answer for, then shut up except to keep her on topic and honest. Ask it in such a way that she will really want to answer it.