President Trump again claimed on Monday that a Supreme Court decision overturning his International Emergency Economic Powers Act tariffs would cost the country “trillions of dollars” in refunds and lost investment, while pushing back on what he said are unrealistically low estimates of those impacts by Democrats, importers and others who have opposed them. “The actual Number we would have to pay back in Tariff Revenue and Investments would be in excess of $2 Trillion Dollars, and that, in itself,...