Edward Snowden, played by Joseph Gordon-Levitt, demonstrates serious smarts in this scene from Oliver Stone's upcoming political thriller. Get a first look here.https://www.youtube.com/watch?v=n0gN0PLcBGw Americans remain divided on their opinions of Edward Snowden, the former CIA employee and NSA contractor who copied and leaked classified information in 2013. But if Oliver Stone's new political thriller "Snowden" can be believed, there's one issue about the man that can't be debated. He's brilliant. In an exclusive clip provided to CNET from Open Road Films, Snowden, played by Joseph Gordon-Levitt, takes an aptitude test during the CIA recruitment process. The senior intelligence operative running...