Wouldn't the C.I.A. be aware that Muslims do not celebrate birthdays, and thus a Birthday Cake would be absolutely inappropriate???
As I recall, Atta discussed the hits of 9-11 with one of Osama's henchman. He described two targets....
The first was two sticks (The Towers). The Second was a Cake with a stick hanging down"....obviously, the Capitol Building with the Capital Mall leading to it.
FOOD was used for other Alqueda phone discussions.
Let's be real...They probably figured out which CIA member was the mole...and they ain't gonna admit it or tell us.
It had a file in it.