The American president recently started fixating on the line separating the United States and Canada. It’s worth asking why.

President Donald Trump has gotten himself and the U.S. in a tangled trade war with Canada while belittling its leaders and ...

Ontario implemented a 25 percent tariff on all electricity exports to the U.S. on Monday, impacting three states.

Cities and towns along the border with Canada, for instance, rely on tourism from their northern neighbors who often make same-day shopping trips. Nearly four million Canadians visited New York ...