"What happens when an old spook starts to lose his mind? Do the Services have a retirement home for people who know too many secrets but don't remember they're secrets? Or does someone come to take care of the senile spy for good? These are the questions River Cartwright must ask himself as his grandfather--David Cartwright, a Cold War-era operative--starts to forget to wear pants, and starts believing everyone in his life is someone sent by Services...

A look at how the rivalry between the CIA and FBI inadvertently set the stage for the tragedy of 9/11 and the war in Afghanistan.