Iron Lung’s path to theaters was unique, even if the movie isn’t

As a movie, Iron Lung is occasionally thrilling but mostly forgettable. It's a small-budget horror flick that has some cool ideas and pulls them off in an extremely efficient way, creating a sense of tension that unfortunately never turns into outright scares. But the most important thing about it is what it represents. At a time when movie theaters are dominated by only the biggest blockbusters and smaller films are trying to forge their own paths, Iron Lung managed to make more than $20 million...