some people think that's where the problems exist. national organization for women refer to this as a toxic environment and cbs should take action immediately. cbs said what they're doing at this point is cooperating with authorities, to help them in terms of this investigation. i was reading through some of this, and one fact new to me, david letterman's viewership is 58% female last season, average age under 55. it's among those women were the real risks exists and new reports could upset some of that female audience. reports are that joe halderman has been telling his friends he saw david letterman making out with stephanie birkitt, living with and dating halderman, in the driveway of his home and that that was the reason that perhaps, according to friends, he went forward with this alleged blackmail plot. >> thank you, peter, for the latest on that extortion case.