How to Tell When the NSA is Lying to YouSubmitted by George Strait on Wed, 10/30/2013 - 08:27
Imagine you are running a spy agency, and you are trying to watch a specific person. The crucial element of spying is to be sure that your subject does not know you are spying on them. Once your cover is blown, any information that the subject might divulge is probably useless, or even intentionally misleading. Your cover is essential to getting useful information.
Now, imagine that you are the NSA, and your mission is to spy on everyone on the planet. Then, you are asked to stand before Congress (and the entire world) and testify to the nature of your program.
They ask you, "Are you spying on Americans?"