US President Donald Trump and Chinese officials discussed artificial intelligence “guardrails” and Nvidia’s H200 chips during his just-ended state visit to Beijing. Speaking to reporters on Air Force One during his return flight, Trump said the two sides “talked about possibly working together for guardrails” on AI, characterising them as “standard guardrails that we talk about all the time”. Regarding Nvidia’s H200 graphics processing units (GPUs) – shipments of which have yet to be approved by...