Filmmaker Oliver Stone, who is best known for his controversial political movies, is making a film about Edward Snowden, who is best known for his controversial political actions. The movie, which is based on The Snowden Files, will tell the story of Snowden’s leak of millions of secret documents outlining the NSA’s spying program to several newspaper reporters. In a statement, Stone said, “This is one of the greatest stories of our time. A real challenge. I’m glad to have The Guardian working with us” …