hellinahandcart - Have you checked out the menu for safety on the site? I'm no expert by any means - but it appears that that has been taken into account as well. I'm sure there will be some modifications with time and FEEDBACK from AMERICANS.
I did check out the "safety" section, got a real good chuckle out of the concept of repelling planes with sound waves and establishing a 5-mile no-fly zone arond the new WTC.
I wasn't talking about safety/evacuation features in my post. I was talking about structural integrity. I don't seen how this design can possibly be flexible enough to accomodate the wind stresses.