Defenders of the NSA’s mass spying have lost an important talking point: that the erosion of our privacy and associational rights is justified given the focus of surveillance efforts on combating terrorism and protecting the national security. That argument has always been dubious for a number of reasons. But after a November 2015 ruling [.pdf] by the secretive Foreign Intelligence Surveillance Court (FISC) was unsealed this week, it’s lost another chunk of its credibility.

Source: Secret Court Takes Another Bite Out of the Fourth Amendment | Electronic Frontier Foundation