Trump warns US will become 'Third World Nation' if federal courts strike down his tariffs

President Donald Trump claimed on Sunday that tariffs are driving more than $15 trillion in new U.S. investment and that if courts should strike them down, the U.S. would likely become a "Third World Nation." Trump’s post comes in direct response to a federal appeals court delivering a major legal setback to his trade policy, declaring most of his sweeping tariffs unlawful under the International Emergency Economic Powers Act, or IEEPA. The decision supports earlier rulings by the U.S. Court of International Trade. Although they are still in effect, the tariffs face an uncertain future unless the Supreme Court intervenes....