One autumn evening, Nelson Mandela answered a knock at his front door and found himself facing his most dangerous enemy.
원문출처 : https://www.cnn.com/2021/07/18/us/nelson-mandela-birthday-lessons-for-us-politics-today/index.html
원문출처 : https://www.cnn.com/2021/07/18/us/nelson-mandela-birthday-lessons-for-us-politics-today/index.html