As Americans prepare to go to the polls, Will Bain is joined by the BBC's Economics Editor Faisal Islam to discuss what the US election means for both the future of the world's number 1 economy, but also the wider world.We look at what the result might mean for the goods we trade, the prices we pay and how whoever wins will shape the direction of the global economy over the next four years.Our North America Business Correspondent Michelle Fleury takes a look at the issues of trade and tariffs, while we're also joined by Dr Shuichiro Nishioka, Associate Professor of Economics at West Virginia University to take a historic look at what tariffs mean for the US.