General Discussion
In reply to the discussion: Stanford Researchers: It Is Trivially Easy to Match Metadata to Real People [View all]Thinkingabout
(30,058 posts)attacks, not once but more than once, not all attacks are on American soil, we also have facilities in many countries which we need to protect. It is not over, may never be over but information needs to be collected in order to perhaps curtail attacks before they occur. I would think lose of life is a probable cause.
The providers only keeps data for a short period of time, they providers does not set up surveillance measures to determine when and where calls are made in order to set a pattern of possible attacks. The information furnished to NSA is the phone call records, the same as you see on your phone bill, does not have the name of the caller or the called name.
I think there will be a ruling in the future which will cover the warrant issue so many seems to have. Many seems to think the warrant issue is not a portion of the Fourth Amendment but it is. From the time the Fourth Amendment was written many of the services we use was not a part of the world. We see Google Earth and can see vehicles parked, cameras are everywhere, homes are installing cameras, is it violating your privacy, maybe but we are entitled to protect our property, the same as the US is entitled to protect their property and people.