The vote come nearly two years after NSA whistleblower Edward Snowden disclosed mass surveillance at home and abroad by the surveillance agency.
Moviegoers sit in the same hotel room in China where the filmmaker and Greenwald meet Snowden for the very first time.
“He who controls the present controls the past, and he who controls the past controls the future."
Snowden has been living in Russia since last June.
"Just the threat of getting charged is enough to chill that journalistic practice. It sends a real scary message to those people who do this for a living.”
The NSA whistleblower will be streamed live from Moscow.
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