"The Petreus incident is sort of crazy for this reason. Here is the head of the CIA, doesn't even use PGP."
He's just a bureaucrat, hired after retiring as an Army general. I seriously doubt if he had any personal spy craft training beyond "use this secure computer and this secure phone when you're working on company business, sir. And don't talk about Fight Club."
He's just a bureaucrat, hired after retiring as an Army general. I seriously doubt if he had any personal spy craft training beyond "use this secure computer and this secure phone when you're working on company business, sir. And don't talk about Fight Club."