It was a time of deep divisions, much like our day. Hatred seemed intractable and the curse of bias rife, when a sharecropper’s daughter in the American South stood up for a Ku Klux Klan leader and against all odds, they became enduring friends. I set out recently in pursuit of this legendary moment, seeking a foothold of understanding into how such courage could emerge from bloodshed and blindness. In the North Carolina city of Durham, I walked back in time with Ann Atwater to those searing d...