"IP address - can be effectively tied to a particular country."
* Geo-IP won't cut it. No matter what, everyone everywhere will be slurped anyway, because nothing else is practical... Here's why:
* If a US citizen logs into facebook.co.uk / yahoo.co.uk / live.co.uk, are they considered fair game for snooping? How about every US citizen living or traveling aboard etc? How about an American with an overseas partner or friend? How about all illegals living inside the US? How about non-Americans using US based VPNs / Tor services etc? How about foreign expats working inside the US etc?
* The truth is everything is hoovered up and then filtered through later. When intelligence agencies are called in front of secret courts for snooping on US citizens under the Privacy Act, they'll just continue to lie.
* We're all Muslims now... Its just that the poor have more to fear, because they can't lawyer up and won't be missed if renditioned to Gitmo etc...