NSA was and is collecting information on citizens.
With all the stuff they record and archive, the NSA should be perfect source of evidence what happened before, during and after Benghazi attack, IRS no scandal etc..
Our elected representatives should look into this with at least such veracity as the liberals do chasing innocent citizens. Lets have taxpayers money work.
Lives and countrys future are at stake.
Why aren't they? There's your answer