Jazz and blues singing legend Nina Simone, 70, has died at her home in Southern France, the news agency Agence France-Presse reported on Monday. The agency quoted a statement from Ms. Simone's manager.Clifton Henderson, who was at Simone's bedside at her death, said she died of "natural causes" in her sleep after a long illness. He refused to provide the name of the town where she lived. "She inspired other singers to do what they believed in," Henderson said, saying the musician would also …