United States President, Mr. Donald Trump, yesterday raised the global duty on imports into his country to 15 per cent, doubling down on his promise to maintain his aggressive tariff policy a day after the Supreme Court ruled much of it illegal. Trump said on his Truth Social platform that after a thorough review of Friday’s “extraordinarily anti-American decision” by the court to rein in his tariff program, the administration was hiking the import levies “to the fully allowed, and legally tested, 15% level.” Shortly after the court’s 6-3 ruling that rejected the president’s authority to impose tariffs under a 1977 economic emergency powers act, Trump had initially announced a new 10 percent global levy by invoking a different legal avenue. At the same time, the Republican launched an...