Globalisation has become the driver of international trade giving both rich and poorer countries a stake in world business. Then came US President Donald Trump's tariffs. Could they torpedo globalisation? And what would that mean?  In this episode:  Shirley Yu, Senior Visiting Fellow, London School of Economics. Melanie Brusseler, US Programme Director, Common Wealth.  Chris Weafer, CEO, Macro-Advisory. Host: James Bays Connect with us:@AJEPodcasts on Twitter, Instagram, Facebook