SITUATION EXPLAINED: Altman, Dario, DeepSeek, and Moonshot are briefing the UN Security Council tomorrow. • Dario will address the council remotely • Other briefers include Yoshua Bengio, who co-chairs the UN's AI panel, and Clément Delangue of Hugging Face • Liang Wenfeng isn't attending. He almost never makes public appearances • Convened by France, which holds the council presidency, and chaired by foreign minister Jean-Noël Barrot • The council last met on AI risk in 2023, when China said…