Directed by Barry Alexander Brown. With Sienna Guillory, Julia Ormond, Lucy Hale, Lucas Till. In this poignant true story set in Montgomery, Alabama, a Klansman's grandson must choose which side of history to be on during the Civil Rights Movement. Defying his family and white Southern norms, he fought against social injustice, repression and violence to change the world around him. SON OF THE SOUTH is from executive producer Spike Lee and based on Bob Zellner's autobiography, "The Wrong…