Jimmy Carter, the 39th president of the United States, has died at age 100. Carter was "surrounded by his family" at his home in Plains, Georgia, in his final moments, the Carter Center said in a statement Sunday. Meanwhile, Elon Musk has backed Suchir Balaji's mother Poornima Ramarao's claims of foul play in her son's mysterious death. Balaji, a former employee at ChatGPT-parent OpenAI, had accused the company of violating copyright laws in October.