>> i but your comment about your discussion about william berg was interesting but i found myself quitehorrified a couple of weeks ago visiting colonial williamsburg. they had someone out portraying andrew carter who is of course of the same sort of caliber and the elite group as william berg and who in my opinion did some equally deplorable things to his population and i was quite surprised to see an interpreter portraying him as a living history site because it just felt, i mean i don't know i would be interested to hear your opinion on that because i did know what to say. >> that's another excellent point to make and i think that, the thing is if you don't know again to sara's point if you haven't done a deep dive into the history how would you know? there is the simple story which is the virginia gentleman who in the case of william berg collected lots of books and wrote a very informative history although again showing the reasons -- then national history focus of the dividing line between virginia is a valuable historical source but if you look at william berg's personal life is s