so when the north tower fell. and we ll bring that to you when it happens. and, dana, what i recall from 20 years ago when the south tower fell first, remember the north tower was hit first, but the south tower fell first, so many had thought there s so much steel and construction in these buildings, how in the world could they come down from the sky, and they did. and when it happened, i was in my car driving south in atlanta back in to work on the radio, and i heard that, and i thought how many people are on a new york city sidewalk at 10:00 in the morning? there must be hundreds, if not thousands. luckily for them, they moved away from the buildings. but for 3,000 others trapped above floor 82, floor 92, this was the end on that beautiful, sunny morning 20 years ago today. cain deign you re also looking, of course, at the pentagon there where the attack happened. and then down screen is, bottom-right, that is shanksville, pennsylvania, and i