Ok, what was covered up?
What does congress know they won’t leak?
That's it in a nutshell. It's classified and anyone from congress who announces it can be immediately held for violating the law. It can't be tweeted, emailed, cell phoned, land-lined, or conversed in any tangible way because the NSA has their hounds on the trail of anyone who leaks anything. Ala' James Rosen.