No, the NSA can be challenged in court. Actually, both my post and the Wikipedia article you cite in your reply refer to federal suits against the NSA. In the r

No, the NSA can be challenged in court. Actually, both my post and the Wikipedia article you cite in your reply refer to federal suits against the NSA. In the recent past, courts would throw out NSA lawsuits because plaintiffs couldn't prove they had been personally surveilled, which left them without standing to sue. (Example: https://en.wikipedia.org/wiki/American_Civil_Liberties_Union_v._National_Security_Agency#Sixth_Circuit_Court_of_Appeals https://en.wikipedia.org/wiki/American_Civil_Liberties_Union...). Since Edward Snowden's revelations showed that some NSA programs target every American, that has changed. And in the future, anti-NSA plaintiffs will be able to use the Supreme Court's legal analysis of the inherent invasiveness of cell phone searches.