Living volume 23, number 192, September 17-24, 2009 By Indy Staff Thu Sep 17, 2009 | 12:00am Share this: Click to share on Facebook (Opens in new window) Facebook Click to share on X (Opens in new window) X Click to email a link to a friend (Opens in new window) Email Click to print (Opens in new window) Print Add independent.com on Google Add the SB Independent as your preferred source to see more of our stories on Google. A Towering Debate: Engineers and Architects Argue About What Made the World Trade Center Fall (Jay Levin and Tom McKenzie)
