As Donald Trump pulls apart the old multilateral trading system, others are writing new rules https://www.economist.com/finance-and-economics/2026/04/01/liberation-day-has-reshaped-trade-but-not-as-donald-trump-hoped?taid=69cfcc98f0c12100012b8fe6&utm_campaign=trueanthem&utm_medium=social&utm_source=voante