Eavesdropping Helpful Against Terrorist Plot

AcidPenguin9873 writes: The New York Times reports that the U.S. government's ability to eavesdrop on personal communications helped break up a terrorist plot in Germany. The intercepted phone calls and emails revealed a connection between the plotters and a breakaway cell of the terrorist group Islamic Jihad Union. What does this mean for the future of privacy in personal communications? From the article:

[McConnell's] remarks also represent part of intensifying effort by Bush administration officials to make permanent a law that is scheduled to expire in about five months. Without the law, the Foreign Intelligence Surveillance Act, Mr. McConnell said the nation would lose "50 percent of our ability to track, understand and know about these terrorists, what they're doing to train, what they're doing to recruit and what they're doing to try to get into this country."