President says Canada’s tariff retaliation, lack of progress on curbing fentanyl smuggling is behind new import penalty

President Donald Trump late Thursday threatened a 35% tariff on goods imported from Canada, a dramatic escalation in an on-again, off-again trade war with America’s northern neighbor and one of its most important trading partners.

President Donald Trump has been sending letters to countries outlining higher tariffs they’ll face if they don’t make trade deals with the U.S. by Aug. 1.