Chile, Canada and Peru push back against Trump's copper tariff probe

Open this photo in gallery: A port worker checks a shipment of copper in Valparaiso port, northwest of Santiago, Chile.Rodrigo Garrido/Reuters Three top copper suppliers to the United States told President Donald Trump's administration that imports of the metal do not threaten U.S. security interests, as Chile, Canada and Peru aim to fend off potential tariffs on the metal needed for electric vehicles and myriad industrial uses. Trump ordered a probe into possible duties in February under the Section 232 national security provision of the Trade Expansion Act of 1962, the same U.S. law he used in his first term…