(Image credit: Getty Images) Jensen Huang joined X last month and used his first post Friday to promote Open Weights and American AI Leadership , a three-page policy letter published the same day and co-signed by 25 companies, including Nvidia, Microsoft , Meta, IBM , Dell Technologies, Palantir, and Hugging Face. Go deeper with TH Premium: AI and data centers The letter asks Washington to avoid what it calls "premature restrictions on downloadable AI models," and comes just four days after the Trump administration was reported to be reviving a push to ban Chinese models — though the document doesn't directly mention China, Moonshot AI, or DeepSeek. Notably missing from the co-signers are OpenAI, Anthropic, and Google .…