with all these stories coming about Snowden revelations, it's not very clear how this information is obtained or revealed It's been written about quite a bit.

with all these stories coming about Snowden revelations, it's not very clear how this information is obtained or revealed It's been written about quite a bit. Unless you want it mentioned in every single article that reveals another document, it's pretty well out there. I don't even think this is the first time Greenwald has written a clarification article about it.