US President Donald Trump during a dinner with tech leaders in the State Dining Room of the White House in Washington, DC, US, on Thursday, Sept. 4, 2025.President Donald Trump on Friday threatened to launch a trade investigation to "nullify" what he said were discriminatory fines being levied by Europe against U.S. tech firms such as Google."We cannot let this happen to brilliant and unprecedented American Ingenuity and, if it does, I will be forced to start a Section 301 proceeding to nullify the unfair p ...