In Brief OpenAI is currently in “a tough negotiation” with its biggest investor and partner, Microsoft, according to the Financial Times.The AI startup recently announced a major change to its corporate restructuring plans — while it still aims to convert its business arm into a for-profit public benefit corporation, its nonprofit board will remain in control. The FT says it spoke to multiple sources who describe Microsoft, which has invested $13 billion in OpenAI to date, as a key holdout needed to approv ...