[contentcards url=”https://www.reuters.com/technology/sam-altmans-ouster-openai-was-precipitated-by-letter-board-about-ai-breakthrough-2023-11-22/”] By Anna Tong, Jeffrey Dastin and Krystal Hu Nov 22 (Reuters) – Ahead of OpenAI CEO Sam Altman’s four days in exile, several staff researchers wrote a letter…