The latest news on NSA
Eight tech companies including Google, Yahoo challenge NSA.
State senator says 'the NSA isn't welcome in Arizona unless it follows the Constitution.'
Limits on NSA 'will give people more confidence' on spying, Obama said.
Top intelligence community lawyer says people outside the U.S. are the only ones who need to worry.
Activists say legislation can cut water, kill snooping at the Utah Data Center.
Proposal would apply U.N. human rights rules to digital privacy.
Network spying could discourage $35 billion in cloud-computing sales through 2016.
What is the intelligent approach to spying in the 21st century?
The petition earned a response in June.
ACLU attorney says judges seem to doubt role of case used to justify surveillance.