Grab the green bin. Greta Gerwig’s dropped in one last gift. Little Women, the seventh cinematic (re)telling of Louisa May Alcott’s much-loved novel, is a perfect film for the dark, weird, listless days that trot along right behind Christmas. It’s Gerwig’s third directorial effort, and the second time she’s written and directed, after the slow-burn brilliance of 2017’s Lady Bird (Saoirse Ronan’s best movie). The ensemble domestic drama follows the troubles and triumphs of the March’s, a contented but economically limited household in Civil War-era Massachusetts, as four sisters and their mother await their pastor patriarch’s return from the conflict,…