. >> america tonight's laurie jane reporting. next - a medical breakthrough. one that could be critical to the future of many patients in their fight against cancer. >> an al jazeera america exclusive... former president jimmy carter reflects on the life and legacy of nelson mandela. >> that spirit of nelson mandela is embedded deeply in the heart and soul of the south africans... >> they worked side by side for freedom, now president carter talks about mandela's global impact. a revealing interview you won't see anywhere else. >> i've never heard him say, that he was grateful to the united states... >> talk to al jazeera with jimmy carter only on al jazeera america commanded a king's ransom, 62-year-old nick saban says, "i'm too darn old to start over", he did not adarn, he used the other word. he agreed to a multi year extension remain the coach of crimson tide. >> not one day during the school year goes by where a navy pleeb doesn't hollar beat army, or a cadet, "beat navy." the two oldest dismiss meet for the 114th time. michael eaves has more. >> on paper