Canada, tariffs and Trump

Trump has threatened a tariff on goods from Canada if the country does not clamp down on immigration and the flow of drugs ...
Canada could impose retaliatory tariffs against the United States in response to Donald Trump's economic threat. Experts say they could target industries in Republican states.
-Canada is drawing up plans for extensive tariffs against U.S. products in the event President-elect Donald Trump follows through on his pledge to slap a 25% tariff on all Canadian imports, Bloomberg ...