Even before Harry Belafonte won global fame as a performer, he saw himself as part of a grand tradition of artists who use their voices for change. His role model was Paul Robeson, the singer, actor and activist whose career was derailed by McCarthyism. CBS News’ Vladimir Duthiers sat down with Belafonte, who drew a direct line from his years traveling the world with Dr. Martin Luther King Jr., back to something Robeson told him when he was just starting out.