The US President appeared Thursday at a virtual panel at the World Economic Forum, the annual global meeting of bankers and oligarchs, in which he coupled threats of trade war with promises to slash the US corporate tax rate,

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.