“Edward Snowden accessed some secret national security documents by assuming the electronic identities of top NSA officials, said intelligence sources.
“Every day, they are learning how brilliant [Snowden] was,” said a former U.S. official with knowledge of the case. “This is why you don’t hire brilliant people for jobs like this. You hire smart people. Brilliant people get you in trouble.”[…]
“The damage, on a scale of 1 to 10, is a 12,” said a former intelligence official.”