Washington: US trading partners, including India, that have reached tariff deals with Donald Trump’s administration before the Supreme Court verdict, will now face a 10 per cent duty, despite higher levels they may have agreed on previously, the White House has said. The certification came after the US Supreme Court struck down Trump’s sweeping and often arbitrary duties, delivering a stinging rebuke of his signature economic policy.  Following the tariff setback, the American commander-in-chief has imposed an additional 10 per