There was a cottage industry in elaborating the theory that Bush and his administration were unnecessarily caught flat-footed or even knew the attacks were imminent.
He seemed more interested in publicity and exaggerating his own bureaucratic importance than being objective—tendencies the political opposition and media were in no mood to criticize.
Richard Clarke is a good place to start:
https://en.wikipedia.org/wiki/Richard_A._Clarke
He seemed more interested in publicity and exaggerating his own bureaucratic importance than being objective—tendencies the political opposition and media were in no mood to criticize.
But YMMV.