See URL below of a debate between Leslie Robertson and Steven Jones on the question of the controlled demolition of the World Trade Center.
The debate was held Oct 26th, 2006, and sponsored by KGNU Radio in Denver Colorado.
Steven Jones is a former professor of physics at Brigham Young University and Leslie Robertson was an an engineer who worked on the World Trade Center project.
A physicist and a structural engineer debate the controlled demolition of the World Trade Center