Orin Kerr writes:
The final version of my new article, The Next Generation Communications Privacy Act, 162 U. Pa. L. Rev. 373 (2014), has just been published. The article considers how Congress should update the privacy laws that regulate government access to e-mail and other Internet communications, both for contents and metadata, in criminal investigations.
Read more on WaPo The Volokh Conspiracy. And yes, it will take me time to get to used to that.