And so it has come to this. After months of threats, intensive shuttle diplomacy and last-minute trade negotiations, Washington’s new tariff regime has finally come into force.For Southeast Asia, whose nations jostled for favour – and relief – from a White House wielding economic might with Donald Trump’s trademark unpredictability, this ledger of punitive levies has laid bare the US president’s vision for a new global trade order: one underpinned by “reciprocal” transactions.The wide spectrum...