米国：NSAの何が問題だったのか？

下記の記事が出ている。

　Whistleblowers: Trading security for money, NSA created 'largest failure' in its history
　ZDNet: November 20, 2015
　http://www.zdnet.com/article/nsa-whistleblowers-security-thinthread-largest-failure-in-nsa-history/

　A Good American review: fascinating revelations about the NSA's role in 9/11
　Guardian: 9 November, 2015
　http://www.theguardian.com/film/2015/nov/09/a-good-american-review-nsa-whistleblower-william-binney-911-world-trade-centre

なお，下記のような記事も出ている。

　It’s official—NSA did keep its e-mail metadata program after it “ended” in 2011
　ars technica: November 21, 2015
　http://arstechnica.com/tech-policy/2015/11/nsa-replaced-secret-e-mail-metadata-program-with-more-expansive-tools/