I want to start by thanking our speaker David Marwell and David Goldman for agreeing to switch to this new medium. Its the medium of livestream and we are presenting that tonight in partnership with their very good friends at the princeton public library. I think we are all gripped by the precarious and frightening reality of this moment but there are so many of us in this is one of those antidotes. We are sharing the next hour tonight. Briefly before i introduce our speakers i just want to say quickly that David Marwells book mengele unmasking the angel of death available at labyrinth or your nearest and dearest local bookstore. All of us in the independent bookselling world are trying to find a way to find your support if you want to buy this book at labyrinth that will be shipped for free. If you place your order over the phone we have phone numbers in the chat box and also on our web site. That is the easiest way for you to get a book. And the logistics i want to make sure that you