|Part of the CIA/NSA presentation|
Have you seen these 41 slides?
No you haven't. They are hard to find. Only 9 have actually been published and you can see 8 of those here:
and one other here:
Another document, a 'heat map' shows the countries of most interest to the CIA/NSA:
New, one more slide http://cryptome.org/2013/07/nsa-upstream-differ.htm The 3 US global fibre taps appear to be in Suriname (South America), Kenya and British Indian Ocean Territories