John Lewis is a man of herculean determination. His leadership, faith, and sense of humor are all put on display in Dawn Porter’s powerful and timely documentary “John Lewis: Good Trouble.” The film documents the life of a politician and civil rights leader who has never lost sight of his purpose even when faced with insurmountable odds. The title of the film comes from some advice Lewis likes to give: “When you see something that’s not right, not fine, say something, do something. Get in trouble: good trouble, necessary trouble.” He certainly knows what this means. He has led and participated in thousands of protests, been arrested over 40 times, and spent 33 years in Congress. “Good Trouble” begins by tracing his footsteps growing up in Troy, Ala., where he was born on February 21, 1940, the third of 10 children to a sharecropping family. He grew up during a time when his place in life was defined by the margins of the color line and signs that read White and Colored that provoked him …