WASHINGTON, Feb. 25 -- The Peterson Institute for International Economics issued the following commentary on Feb. 23, 2026, by nonresident senior fellow Gary Clyde Hufbauer: * * * How will Trump's new 15 percent tariff fare in court? Shortly after the Supreme Court struck down President Donald Trump's worldwide tariffs imposed under one US law, he promised to impose a new 10 percent global tariff under a different statute, and then raised the figure to 15 percent a day later. The new duties w more PR