-- There can be no rationale or explanation for random mass murder and it is reprehensible to consider political or diplomatic action because of issues that terrorists might attempt to raise as pretexts for their terror.
The notion, then that 9 - 11 was some kind of «inside job» may well have been the vulgar form of the observation that terror had become, not only a pretextfor war, but also a pretextfor aggressive domestic policies and a new role for the state.