Greenwald now discussing it live here: http://www.democracynow.org/

Edit 1: Has ended, will post a link when in archive.

Edit 2: The interview starts at 18:00 and a direct link to the MP4 file is http://dncdn.dvlabs.com/ipod/dn2013-0805.mp4

Edit 3: Starting 43:15 pertains to DEA SOD