Trade has allowed the U.S. to secure enough fuel to operate the largest fleet of nuclear reactors worldwide. Tariffs could change that in a flash. The post Trump's Tariffs on Canada Could Kill the U.S.

Trump and his aides have reportedly threatened to redraw the northern border, go after Canada’s minerals and water, and cancel NORAD.

Justin Trudeau's party was headed for near-certain defeat - until the US president said he wanted to make Canada the 51st state.

Canada's ruling Liberal Party is choosing a new leader on Sunday to replace Prime Minister Justin Trudeau, who said in January he was stepping down after growing dissatisfaction over his performance.

Mark J. Carney ’87 defeated fellow Harvard College alum Chrystia A. Freeland ’90 and two other Liberal Party candidates to become the 24th Prime Minister of Canada and the new leader of the Canadian Liberal Party on Sunday afternoon.