"Guardian" reporter Glenn Greenwald on weekends on "All Things Considered"
The Guardian newspaper has identified the source for a series of reports it's published in recent days on secret U.S. surveillance activity as a former technical assistant for the CIA who now works for a private-sector defense and technology consulting firm.
Gen. Michael Hayden, a former director of the National Security Agency, tells NPR's Weekend Edition Sunday that the government's acquisition of phone records and surveillance of Internet activity is lawful and justified by the changing nature of the war on terrorism.
Hayden, who served as NSA chief from 1999-2005 and is also a former CIA director, says NSA's activities are "perfectly legal" and "an accurate reflection of balancing our security and our privacy."
In the past several days, there's been a steady flow of leaks about the National Security Agency and its secret surveillance activities, including the gathering of metadata on domestic and foreign telephone calls and the existence of PRISM, described in media reports as a top-secret data-mining program.
New developments are occurring on a daily basis. Here are a few we're watching right now: