Witnesses and lawmakers at a foreign affairs hearing blasted the Trump administration’s approval for the sale of Nvidia’s H200 AI chips to China and called for it to reverse the decision, as the White House’s top technology adviser defended the move in the administration’s first public testimony discussing the latest export control measures. Allowing China to buy Nvidia’s second most powerful AI chip is a “wrong path” that would “supercharge” Beijing’s military modernisation and damage the US’...