that you were in it, it was a while ago, but after 9/11 those of us covering it and looking for loved ones learned quite an education about these things happening. the trade center was a unique catalyst, a unique temperature point, a unique construction point of an interior spine that it had that is all different from this situation. and yet we do not see buildings collapse like this in this country. what does that mean to you in terms of what the universe of possibility is here? >> well, for one i've been following for years the studies that have been made by the army corps of engineers about the infrastructure. a lot of times these buildings are complex environments. complex beings. they're comprised of beams and slabs and columns and they need maintenance. and i've seen up and down the coast hundreds of buildings