U.S. President Donald Trump on Thursday invited global businesses to manufacture their products in the U.S. and promised them lower taxes but warned if they choose to produce their goods elsewhere, they would have to pay tariffs to export them to the United States. “America is back and open for business,” Trump, in a video linkup from Washington, told corporate leaders meeting at the World Economic Forum in Davos, Switzerland. “My message to every business in the world is very simple: Come make your product in America, and we will give you among the lowest taxes of any nation on