president who will be, have been born before d-day june 6, 1944, 50 is the first us president born before d-day since george h w bush, who served obviously with distinction in the pacific in world war ii. want to go to our jim sciutto, or chief national security analyst, who is watching this again this day is to commemorate the past gym, but all around europe, all around the world, the concerns are very much about the now and the future in the threats seen in capitals around the world. what are those threats? >> let's that point that christiana was describing as we'll hear from biden as we are commemorating history today, we are witnessing history underway. another war in europe, another attempt to redraw the borders of europe by four says, as the world rose up against those ads the years ago, it may sound rhetorical, but it's a fact and it is certainly the way those closest to the threat view, the moment