as it happens, i'm martin di caro. november 22nd, 1963 is a very dark day etched in the memories of every american who is old enough to remember it. the day john f kennedy was assassinated at the age of 46 by lee harvey oswald. less well known is what happened on november 2nd, 1963, just a few weeks beforehand in south vietnam. the autocratic president of that american ally? no dinh diem, was toppled in a coup d'etat and then murdered by the plotters and because of the remarkable work of our guest here today, we now have a clearer idea. i would even say an entirely clear idea of jfk, his role in that drama in south vietnam, in that coup and assassins. ken hughes, welcome back. it's great to have you here. thank you, martin. thank you for that kind introduction. well, now i'm going to pummel you with questions for half an hour. ken hughes researcher, historian at the miller center, which is a great resource, by the way, at the university of virginia. you are also the author of a couple of other books dealing with white