John Crane doesn't live far from CIA headquarters on the south bank of the Potomac River, with its verdant forest and rolling hills. The Pentagon is just a few miles upstream. Crane, as a child of the US military-intelligence complex, feels at home here. He served as a part of the system for more than 25 years and he still believes in it - even if it has since declared him as its enemy.Crane is sitting in his kitchen. In front of him lies a leather briefcase embossed with the US seal. He is 60 years old, though he looks younger with his slicked-back hair and neatly trimmed beard. He still wears the typical uniform of day-to-day government business in Washington: a shirt monogrammed with his initials, cufflinks and a blazer with golden buttons. It's the way he showed up to work for more than a quarter century, when he flashed his badge to security and drove up to his office inside the complex on Army Navy Drive in Arli