No Tower Can Withstand Attack as Jets Get Bigger, Expert Says: ‘As commercial jets grow larger, faster and carry ever-greater amounts of fuel, no skyscraper can be built to withstand a terrorist attack of the kind that destroyed the World Trade Center towers on Sept. 11, the chief structural engineer for the trade center project said last night.

“We have to conclude, we cannot fail to conclude, that it’s not practical to design buildings as we know them — buildings that we’d want to live and work in — to resist the impact of these jet aircraft,” the engineer, Leslie E. Robertson, said in his most extensive public comments to date about the trade center disaster. “It is not possible or sensible to do that.” ‘ NY Times