Moderator: Benjamin Wittes (Brookings Institution) Participants: Siobhan Gorman (Wall Street Journal) Shane Harris (Foreign Policy) Ellen Nakashima (Washington Post) Audio from "The National Security Agency at the Crossroads," a public conference held by the Robert Strauss Center for International Security and Law and the William Clements Center for National Security at the University of Texas at Austin April 3-4, 2014.