Canadian retaliation to U.S. metal tariffs causing pain: ambassador

OTTAWA — Americans are complaining about the pain caused by Ottawa’s retaliation against the Trump administration’s steel and aluminum tariffs, Canada’s ambassador to the United States says. David MacNaughton was referring to Canada’s imposition of $16.6 billion in retaliatory tariffs on American imports last year after President Donald Trump used a section of U.S. trade law […]