Canadian premier threatens to cut off energy imports to US if Trump imposes tariff on country

The premier of a key oil region in Canada is threatening to cut off energy and critical mineral exports to the U.S. if President-elect Trump implements a sweeping tariff on all Canadian products. 

Trump recently threatened a 25% tariff on all Canadian and Mexican exports in an effort to stop the flow of illegal immigration and illicit drugs coming into the U.S.

Just days after Trump's announcement, Doug Ford, the premier of Ontario, said that he would consider retaliatory measures...