Donald Trump’s vast overhaul of US trade policy this week has called time on an era of globalization, alarming people, governments and investors around the world. No one should have been surprised, the US president said. The announcement of 10% to 50% tariffs on US trading partners tanked stock markets after Trump unveiled a “declaration of economic independence” so drastic it drew comparison with Britain’s exit from the European Union – Brexit. But Trump, who won re-election promising that tariffs would make America great again, has advocated for the return of widespread tariffs with “great consistency” for decades. “I’ve been