Agreed Notso.
How many times have we heard that the USA also knew about Pearl Harbor, but deliberately didn't do anything about it so that....... etc etc.
From the raw mass of intelligence, any specific threat has to be judged as to whether its correct as to action and location, as well as means. That intelligence works sometimes is what impresses me.
even if there were credible reports that planes were going to be crashed into the twin towers and the pentagon, what should the US have done about it? Halt all air traffic for the day so that it didn't happen?
cur