And the whistleblower Edward Snowden is set to deliver his first real-time address in the U.S. today with a speech by video feed at the music and technology conference South by Southwest. A crowd of hundreds of people is expected in Austin, Texas, to hear Snowden’s remarks. Ahead of the speech, Republican Congressmember Mike Pompeo of Kansas called on organizers to cancel the event. Snowden is expected to discuss how people can protect themselves from government surveillance.