The sign outside the National Security Agency campus in Fort Meade, Md, June 6, 2013. (AP Photo/Patrick Semansky, File)
The sign outside the National Security Agency campus in Fort Meade, Md, June 6, 2013. (AP Photo/Patrick Semansky, File) AP
The sign outside the National Security Agency campus in Fort Meade, Md, June 6, 2013. (AP Photo/Patrick Semansky, File) AP