National Edition News cover for September 5, 2014 - Snowden leaks boon to Islamic State: ILLUSTRATION - The logo of the US National†Security Agency is pictured on a monitor in Berlin, Germany, 16 January 2014. US President Obama will present his reforms for the NSA on 17 January 2014. Photo by: Nicolas Armer/picture-alliance/dpa/AP Images
** FILE ** A Sunday, June 9, 2013, file photo provided by The Guardian newspaper in London shows Edward Snowden, who worked as a contract employee at the U.S. National Security Agency. (AP Photo/The Guardian, File)
** FILE ** In this Sunday, June 9, 2013, file photo provided by The Guardian newspaper in London, shows Edward Snowden, who worked as a contract employee at the U.S. National Security Agency, in Hong Kong. Two Norwegian lawmakers said Wednesday, Jan. 29, 2014 that they have jointly nominated former NSA contractor Edward Snowden for the 2014 Nobel Peace Prize. (AP Photo/The Guardian, File)
** FILE ** South Korean protesters wearing masks of U.S. President Barack Obama, left, and South Korean President Park Geun-hye perform during a rally denouncing U.S. National Security Agency's alleged spying on its allies near the U.S. Embassy in Seoul, South Korea, Monday, Nov. 4, 2013. (AP Photo/Lee Jin-man)