Trump tariff threats are bad, but the uncertainty they instill is much worse

The spectre of rising inflation, slowing global trade and jittery markets has re-emerged as US economic policy divorces itself from any logicTrump threatens 25% tariff on European allies until Denmark sells GreenlandDonald Trumps latest tariff threat, in pursuit of his goal of seizing Greenland, is a political nightmare for European leaders, but it could create a severe economic headache, too.As the International Monetary Fund (IMF) has repeatedly pointed out since Trumps trade war began in earn...