You'd be correct to expect something bombastic out of Oliver Stone’s Snowden. It’s right in the JFK director’s wheelhouse, dealing in themes of power, corruption, and deeply conflicted American patriotism, with a vast government conspiracy perched on top of the sundae like a poisoned cherry. But surprisingly, Stone takes a calm, almost measured approach in telling the story of Edward Snowden, the defense contractor who blew the whistle on the American government’s theft of its citizens’ private information. by Ned Lannamann