It's not the NSA doing this intimidation, though they may well be facilitating it. I do agree that journalism is under siege in the US, however. I feel like the Obama administration would really like to put a stop to even the possibility of another major leak by stopping it before it starts. I thought this was a much bigger deal than Greenwald's SO being detained:

http://bigstory.ap.org/article/govt-obtains-wide-ap-phone-re...