Take that Rosie!
Since I'm a Virginia Tech Grad and one of my best friends graduated from Purdue...I'm not one to shy from giving him grief, but in this case, I have to give props where they are due. This is an excellent engineering analysis of the 911 attack on the WTC.
http://news.uns.purdue.edu/x/2007a/070612HoffmannWTC.html
from HotAir and Michelle Malkin.