Professor Daniel Drezner writes, among other things, in a recent Foreign Policy article titled "Tone-deaf at the Listening Post: My day at the National Security Agency headquarters at Fort Meade" (http://www.foreignpolicy.com/articles/2013/12/16/tone_deaf_at_the_listening_post_my_day_at_the_NSA):
QuoteSnowden has also changed the way the NSA is doing business. Analysts have gone from being polygraphed once every five years to once every quarter.
Can anyone confirm this?