This is because they are lazy and weak and incapable of linear thought.
They are liberals.
Please see post #5.
The same with Katrina.
Actually, for all the liberals talk of their appreciation of "nuance", they seem incapable of understanding the "nuance" involved in following the twists and turns created by the worlds various intelligence agencies.
Basically, they take as ground truth the disinformation planted by anti-US intelligence interests every time, so long as its anti-Bush!