In the 1940s, the Ku Klux Klan attempted a nationwide comeback, but an unlikely force helped stop it. Rick Bowers, author of Superman versus the Ku Klux Klan, shares the astonishing true story of how the Superman radio show exposed and weakened the KKK. Created by two Jewish teenagers, Superman became a tool against hate when real-life undercover investigator Stetson Kennedy infiltrated the Klan and passed its secrets to the show’s writers. By revealing the Klan’s rituals and ideology to millions of listeners, the series stripped the group of its mystique and helped derail its postwar resurgence.