On counterterrorism, the President's speech was a study in mismatches---as was apparent last night in at least two respects. First: The address began with an odd intermix of statements related, on one h...

In the aftermath of the Paris terror attacks on Charlie Hebdo and a kosher grocery, Western European security forces unleashed a dizzying storm of arrests and prosecutions and announced "exceptional" new...

Last week, Wells noted the release of an important, 85-page report by the National Research Council. (Yesterday, Herb Lin added his thoughts about it.) Broadly, Bulk Collection of Signals Intelligence: T...

Last week British Prime Minister David Cameron gave an extraordinary speech in which he urged the the banning of private communications, that is communications to which the government could not listen in...

Bruce Schneier has responded to my earlier exchange with Edward Snowden with a challenging question: Putting aside what the Constitution currently does or does permit, wouldn't it be better if all survei...

Scientific Computing had this news yesterday, about the important DNI-ordered study from the National Research Council: WASHINGTON, DC — No software-based technique can fully replace the bulk collection ...

Although new facts are emerging each day, and we can anticipate that the facts will continue to develop, I have been surprised by recent commentary (this for example), suggesting that the Paris attacks a...

At a CATO surveillance event last month, Ben Wittes talked about inherent presidential powers of surveillance with this hypothetical: "What should Congress have to say about the rules when Barack Obama w...

A very, very big arrest in Cincinnati today, involving allegations that a man named Christopher Cornell (online alias Raheel Mahrus Ubaydah) had planned to travel to DC in order to carry out an attack (v...