By Echo Wang, Marwa Rashad and Trevor Hunnicutt DAVOS, Switzerland (Reuters) -U.S. President Donald Trump demanded OPEC lower oil prices and the world drop interest rates in a speech to global business and political leaders and warned them they will face tariffs if they make their products anywhere but the U.

President Donald Trump promised global elites lower taxes if they bring manufacturing to the U.S. and threatened to impose tariffs if they don’t.