Is The NSA’s Telephone Meta-Data Program Constitutional?

Having taught privacy law at the University of Connecticut School of Law since 2003, I have followed the discussions about the legality of the National Security Agency’s telephone “meta-data” surveillance program with great interest.  In this context, meta-data refers to the non-content attributes of telephone communications, such as the numbers called, the length of the call and the frequency of calls to particular numbers.  Three questions are of particular interest:

Read the rest of this entry »