This article (1) says PGP. It also tells us that apparently professional journalists are incapable of using PGP or learning how to and that newspapers will hold

This article (1) says PGP. It also tells us that apparently professional journalists are incapable of using PGP or learning how to and that newspapers will hold confidential information for the most opportunistic moment, be that running it or selling their soul to the government. 1: https://secure.huffingtonpost.com/2013/06/10/edward-snowden-glenn-greenwald_n_3416978.html https://secure.huffingtonpost.com/2013/06/10/edward-snowden-...