ladies and gentlemen please join , me in welcoming sandra grimes. [applause] sandra: thank you very much. can everybody hear me? i have to take my glasses off to see my notes. all right. i am delighted to be here to talk about our book "circle of treason or co- before i get started my remarks , are going to be fairly brief because i want to leave a lot of time for your questions and i will be glad to answer, i assume, most of them i will be i will be able to. , i also want to say i am here to represent my good friend and co-author jean vertafay. as i tell you about our journey to determine who or what caused the wholesale loss of our soviet in 1986. 1985 and in 1991, that led us to search for a traitor in cia. to make matters worse, we knew he wouldn't be a stranger. he would be a co-worker, a colleague, someone we had known for a very long time, and someone we probably saw everyday in the hallways of our headquarters building. but it is not just a story of how we identified a spy. it is much more than that. for the first time, jean and i are able to