The top bureaucrats of the FBI no doubt go around constantly reminding themselves how just, righteous and heroic they are, impressed with their power and ability to have wormed their way up the greasy pole of Fed.gov politics.
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You are precisely right. ‘Righteous’ is the operative word.
Strzok demonstrated the Normal Culture at DOJ and FIB Headquarters. Both places are infested, and CANNOT be changed without firing and prosecuting ALL of them.