The United States is preparing to tell 35 countries they cannot belong to both the American and Chinese artificial intelligence coalitions, and that joining Beijing's framework will cost them their place in Washington's, according to an undated State Department draft letter reviewed by Reuters and a U.S. official who spoke on condition of anonymity.The letter is addressed to the signatories of an "AI Opportunity Statement" the United States circulated in June, a group that includes members of Pax Silica, the non-binding framework Washington launched last year to secure supply chains for critical minerals, semiconductors and AI models, Reuters reported."To be...