I didn't see this posted yet. The article is highly speculative, but good non-the-less. It's worth a read.
"WASHINGTON -- The National Security Agency, in carrying out President Bush's order to intercept the international phone calls and e-mails of Americans suspected of links to Al Qaeda, has probably been using computers to monitor all other Americans' international communications as well, according to specialists familiar with the workings of the NSA...
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''The collection of this data by automated means creates new privacy risks," said Marc Rotenberg, executive director of the Electronic Privacy Information Center, a watchdog group that has studied computer-filtered surveillance technology through Freedom of Information Act lawsuits.
Among the risks, he said, is that the spy agency's computers will collect personal information that has no bearing on national security, and that intelligence agents programming those computers will be tempted to abuse their power to eavesdrop for personal or political gain.
But even when no personal information intercepted by the NSA's computers make it to human eyes and ears, Rotenberg said, the mere fact that spy computers are monitoring the calls and e-mails may also violate the Fourth Amendment. The Supreme Court has never ruled on whether automated surveillance of phone calls and e-mails, without a warrant, is constitutional..."Full article here:
http://www.boston.com/news/nation/washington/articles/2005/12/23/wiretaps_said_to_sift_all_overseas_contacts/?page=1