The wait is finally over… for a movie nobody was waiting for. Nearly four years after a prop gun held by Alec Baldwin and mistakenly loaded with a live round went off and killed cinematographer Halyna Hutchins on set, their movie “Rust” has hit theaters. And how is the Western? Mediocre and often uncomfortable to watch; forever tainted by tragedy. Completing “Rust” and releasing it was a massive error of judgement. Lesser films sometimes get shelved by studios for reasons of quality or other corporate drama. But an average picture that resulted in the death of a young mother will...