http://www.businessinsider.com/the-nsa-wants-to-ban-sales-of-this-t-shirt-on-zazzle-2013-8 (http://www.businessinsider.com/the-nsa-wants-to-ban-sales-of-this-t-shirt-on-zazzle-2013-8)
One of my former bosses once worked for the NSA. He wouldn't say much about it because what he did is still classified.