[This review contains mild plot spoilers] I wasn’t surprised to discover, just a few hours after watching Kelly Reichardt’s Certain Women, that the film’s three, loosely connected narratives were adapted from a collection of short stories. (The author of these stories is Maile Meloy, and the collection from which they’re drawn is called Both Ways Is the Only Way I Want It.) Like a good short story, each of Certain Women’s segments offers a concise but rich glimpse into other lives, places and experiences. And, while each part could easily stand alone as a minor-key indie drama, they interlock in…