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.

U.S. President Donald Trump told business leaders gathered at the World Economic Forum in Davos, Switzerland, on Thursday that he is working to reverse inflation and illegal immigration while boosting fossil fuels production in the United States.