Open this photo in gallery: EU Commissioner for Internal Market Thierry Breton takes part in a news conference in Nowa Deba, Poland, on March 27.Patryk Ogorzalek/AGENCJA WYBORCZ/Reuters Europe’s artificial intelligence (AI) rules are not for negotiation, EU industry chief Thierry Breton said on Thursday, as he criticized OpenAI CEO Sam Altman’s threat to quit the continent if it cannot comply with the legislation. Altman’s comments at a conference a day earlier came as the European Union seeks to expand its AI rules to cover generative AI tools, such as OpenAI’s ChatGPT, and require companies to disclose any copyrighted material used...