The White House is set to impose a 15 percent tariff through Section 122 of the Trade Act of 1974 after the US Supreme Court ruled against Donald Trump’s use of the International Emergency Economic Powers Act of 1977. United States President Donald Trump has ramped up tariff threats following last week’s US Supreme Court decision that ruled that Trump’s sweeping global tariffs, imposed under the International Emergency Economic Powers Act, were unlawful. On Monday, Trump said that any countries that wanted to “play games” after the high court’s ruling would be hit “with a much higher tariff ” in a post on his social media platform Truth Social. In a separate post on the platform, Trump claimed that he does not need the approval of the US Congress for tariffs. “As President, I do not ha...