Well, good afternoon, everyone. Good afternoon i am chuck devour, Vice President with texas Public Policy foundation, were delighted to have you here with us for a fascinating discussion about thes use of poisons in national policy, this is something that as a now retired u. S. Army Intelligence Officer i was aware of. But until i read this book, i had no idea the scale that the poisons were deployed by the former soviet union and todays a successor state the russian federation, as well as nations like peoples republic of china and north korea. It is a great honor to have todays presentation with the authors of the book, the dancer and the devil. Book covers about a hundred years of history in use of both chemical poisons and bioweapons in a way that is sobering when you are done with the booming book. And you realize magnitude. I would like to introduce authors john oneill, and sara wynn. John graduated from u. S. Naval academyy in 1967 and serv in vietnam. He was in the Brown Water N