US President Donald Trump said on Monday that Nvidia chief executive Jensen Huang had told him he did not know a woman at the centre of espionage allegations was a suspected Chinese spy, and that he believed the technology executive’s account. Speaking to reporters at the White House, Trump said he had spoken to Huang earlier in the day, as the chipmaker faces scrutiny over whether its founder was targeted by a foreign intelligence operation. “I asked him that question. Did you have any idea...