After Paris Attacks, C.I.A. Director Rekindles Debate Over Surveillance - The New York Times

Also see Exploiting Emotions About Paris to Blame Snowden, Distract from Actual Culprits Who Empowered ISIS (The Intercept)

"On Monday, in unusually raw language, John Brennan, the C.I.A. director, denounced what he called “hand-wringing” over intrusive government spying and said leaks about intelligence programs had made it harder to identify the “murderous sociopaths” of the Islamic State.

Mr. Brennan appeared to be speaking mainly of the disclosures since 2013 of the National Security Agency’s mass surveillance of phone and Internet communications by Edward J. Snowden, which prompted sharp criticism, lawsuits and new restrictions on electronic spying in the United States and in Europe."

After Paris Attacks, C.I.A. Director Rekindles Debate Over Surveillance - The New York Times