[Safetgiver]

That report also said that two weeks prior to 9/11 and on a nightly basis the electrical power in both towers from the 50th floors up were turned off for up to 5 hours at a time, usually between the hours of 11 PM to 4 AM. ...Signifigance? Saving on the electric bill has never been traitorous before.

[drypowder]

if it were only to save on electricity, why would they only have done that two weeks prior to 9/11 and not before and why only at 50th and above floors?