Could Donald Trump's lone ranger approach provide the silver bullet? | Larry Elliott

The president's rejection of multilateralism is risky but our 70-year-old rule-based system is far from perfect

Donald Trump is playing with fire. That thought permeated last week's spring meetings of the International Monetary Fund and World Bank in Washington.

The US president's go-it-alone approach - especially in the field of trade - has certainly shaken things up. It is not just the threat of tariffs, nor that the US has brought the dispute settlement system at the World Trade Organisation to a standstill.