Billington says even 'brilliant engineering' susceptible to attack
They were a set of towers, a challenge against the forces of nature and feat of human ingenuity."It was a brilliant engineering design," University structural engineering professor David Billington said yesterday of the World Trade Center complex.As the country reevaluates and strengthens its safety and security measures, one question that begs answering is how the horrifying attack and subsequent building collapses might have been prevented.




