U.S. Trade Representative (USTR) Robert Lighthizer said Tuesday that the administration will resume duty-free treatment of Canadian aluminum based on the expectations that imports will decline sharply in the last four months this year. In early August, U.S. President Donald Trump announced in a presidential proclamation his decision to re-impose a 10-percent tariff on imports of non-alloyed unwrought aluminum from Canada, noting that imports surged over the past few months and threaten U.S. national security. "After consultations with the Canadian government, the United States has determined that trade in ... (full story)