"It takes a man of peace to stop a war." The true story of Paul Robeson's visit to the front lines of the Spanish Civil War is a tale of courage and activism told by his granddaughter, Susan Robeson. Grandpa Paul was a world-famous actor and singer with a deep and rumbling voice, a man of peace and principle who worried about the safety of children and families living in countries at war. He wanted to use his voice to promote social justice...