Washington: Donald Trump’s new worldwide tariff on imports to America is about to go into effect – at 10 per cent, not 15 per cent as threatened – as the US president vows to retaliate against any country that “played games”, and belittled the Supreme Court on social media. The new tariff comes as transport and logistics giant FedEx sued the Trump administration for “a full refund” of the tariffs Trump had imposed using emergency powers, which were ruled unlawful by the nation’s highest court last week. A US Customs and Border Protection bulletin issued on Monday evening (Washington time) said the new global tariff would be collected from midnight (4pm AEDT) at a rate of 10 per cent – the level Trump initially announced after the court’s bombshell decision. A separate notice confirmed that the collection of the old duties would cease at the same time.…