We've written a great deal about the federal government's abuse of our Fourth Amendment rights through its repeated use of warrantless searches. Now we learn the abuses reach
even further.

The Associated Press reports that the FBI has been using a secretive national security letter (NSL) to obtain information about Americans' phone calls and Internet activity. The FBI has been using NSLs since the 1970s, but the AP reports that the FBI has been using them more frequently in