william schaffner arroll. kai, the late president's biographer.s you watch this, what goes through your mind? >> well, you know, it's a sad moment, but he was 100. and this reminds me that a few months ago, his personal lawyer, longtime personal lawyer terry adamson, told me a funny story that carter was talking to one of his grandchildren or great grandchildren, and he was reminiscing about what a great life he'd had. what a success he had been in everything he did. but then he quipped, but, you know, i'm apparently not very good at this dying business. and that's classic carter, acerbic humor. and he wasn't very good at this dying business. he lived a very long, productive life. it's just an astonishing record in a life of service. >> right. which is in so many ways at the core of his faith and his christian values and beliefs. he could have had a different life after his presidency. he went out of office, and many saw him as a failed president. but then he went on and had this decades long career of serving others in small and forgotten places