'Your papers, please' must never be heard in America

The sudden resignation of former CIA Director Gen. David H. Petraeus over an extramarital affair turned heads for many reasons — not least of which was the way a few Gmail messages brought down a man who handled sensitive information for a living.
Asked how frequently law enforcement requests private data overall, he said, "Nobody knows."
The blurring of Fourth Amendment protections when using third-party servers has "put the brakes" on some companies using the cloud, said Ross Schulman, public policy and regulatory counsel for the Computer and Communications Industry Association.