On a hot streak of pictures that celebrate damaged lives with underdog stories, writer/director David O. Russell cools his manic approach with “Joy.” Dramatizing the true story of Joy Mangano, the inventor of the Miracle Mop, Russell appears baffled by the task at hand, unsure if he’s making a bio-pic or an inspirational story, leaving the feature confused at times, with an unsatisfying amount of detail trickling in. But this is why Jennifer Lawrence is around, delivering a mature and deeply felt performance as Joy, helping Russell achieve a grander sense of life in motion the rest of the movie surprisingly lacks. Missing the punch of “The Fighter,” the sugar rush of “Silver Linings Playbook,” and the strut of “American Hustle,” “Joy” comes across undercooked and unfocused, exposing a fatigued Russell. Read the rest at Blu-ray.com