** FILE ** Journalist Glenn Greenwald speaks during an interview with The Associated Press in Rio de Janeiro, Brazil, Sunday, July 14, 2013. (AP Photo/Silvia Izquierdo)

Photo by: Silvia Izquierdo

** FILE ** Journalist Glenn Greenwald speaks during an interview with The Associated Press in Rio de Janeiro, Brazil, Sunday, July 14, 2013. (AP Photo/Silvia Izquierdo)