Petraeus Scandal Raises Concerns About Email Privacy

The FBI review of sensitive email messages between former CIA Director David Petraeus and his biographer-mistress Paula Broadwell has been raising big questions about Big Brother.

One of them: When can federal law enforcement review a person’s private communications?

To Julian Sanchez, a research fellow at the Cato Institute, the real scandal over the Petraeus affair is not the extramarital sex, but the invasion of privacy.