VIDEO : 'Snowden' Director Oliver Stone Warns Against Government Surveillance

Oliver Stone made a press appearance at the Toronto International Film Festival to discuss his new movie, Snowden. The film is a biopic about NSA whistleblower Edward Snowden, who's currently in exile in Russia. When speaking about government surveillance, Stone said, "Obama has managed to put together the most intensive surveillance state in the history of the world." He went on to say, "It is pretty frightening when you think about the implications." Snowden debuts in theaters in the U.S. on September 16.