Thank you for your informative input. In this case, the article is not naming a specific engineer, though I realize that it will ultimately come down to a small

Thank you for your informative input. In this case, the article is not naming a specific engineer, though I realize that it will ultimately come down to a small number of people. If, as claimed, the calculations used did significantly under-represent the forces on the strut that failed, that would seem to be a matter of physics, regardless of how it came about. The Citibank tower continues to sway and creak, more noticeably than most comparable buildings, in a strong wind.