Donald Trump’s tariff regime has shredded the global trade rulebook. Yet even as Washington openly flouts those rules, his administration is quietly signaling a re-engagement with the very institution that wrote them. Trump’s trade team will find out how that message is going down with the rest of the world when trade ministers descend on Yaoundé, Cameroon, for a four-day World Trade Organization meeting this week. The aim of the March 26-29 gathering is to find a way to reform the stricken