The Spy Factory
pbs.org
pbs.org
It was the bit about the Asia traffic reaching US landfall at Morro Bay and going to the San Luis Obispo data center before routing up to San Francisco that had made me remember the episode years later, just because I have a personal love with that area of the CA coast.
(disclaimer : I know that isn't what you meant.)
http://www.youtube.com/watch?v=qAPh5Pe1Iwk
If you watch them in sequence it is almost a continuous timeline.
Clearly they take video-calls fully from the web, and chats, and e-mails. What would make phone calls so different if they already do that? Plus, he's hidden most of this so far, and who knows what else they aren't telling us (such as the fact that they are actually listening to phone calls from Americans).
That "analyst" that has all the data in front of him should be able to do whatever he wants with the data. There may be rules to not do that, but who's actually verifying it?