he spent 'oben post dock tore fellowship and taught at the university of wisconsin, yale, the universitywas the 52 professor at the bush exile and director of programming for the scowcroft institute. jeff received a silver star award for teachling and mentorship, a distinguished teaching award from a & m's association of former students, and a university system chancellor's teaching excellence award. among the numerous articles and books he has written or edited, his cold war at 30,000 feed won the prize. he was sheaffer's 2012 lecturer and -- recent recipient of a fell oship. he's currently writing "when the world seemed new" and the surprisingly peaceful end of the cold war. mary? inch thank you. it's great that c-span is here so many more can join us in this discussion. the people here have an advantage. they wisely gave you two free drinks before you had to start lurching to me, so i'm hoping that will blunt the edge of your skeptical and penetrating questions. so i have just a few minutes to tell you a little bit about the fall of the wall, and then my colleagues will talk more abou