The new film about group who refused to fight for the Confederacy and established a free community in Civil War-era Mississippi is based on a true story. Matthew McConaughey stars as Newton Knight, a nurse in the Confederate Army who deserted because he did not want to fight for slavery or for wealthy plantation owners. In "Free State of Jones," co-written and directed by Gary Ross ("The Hunger Games"), Knight is a Robin Hood-like figure, with a swamp taking the place of Sherwood Forest. ...