excellence in journalism and so i hope you all agree there could be no better moderator than larissa macfarquhar in no other better venue then here at the new york public library. she will be signing books after words so please join 21 dash plan to stick around please join me to welcome larissa macfarquhar and kati marton. [applause] >> good evening ladies and gentlemen and king q such an honor to be interviewed by one of my favorite authors and one reason the allen room produces a much greater literature is there is terrible phone reception laugh laugh so we have no choice we have to keep our noses down. [laughter] it is impossible to make a call. >> you describe this book of stalinism and the cold war in the attraction and repulsion but also about one person that made people probably have not heard of so please set the scene to tell us who is noel field. >> it is my very good fortune he had been ben discovered except handful of scholars of this . because his career as a spy went unnoticed he was a spy amongst us in the 30's. he was recruited as a rising star in the state department to get into