The comment is the latest in a string of barbs Trump has directed toward Canada—and suggestions of his desire to annex it.

President Donald Trump is privately ramping up his focus on another target in the Western Hemisphere, increasingly complaining to aides in recent weeks about Canada’s vulnerability to U.S. adversaries ...

Donald Trump is yet to carry out a threat he made four weeks ago to slap Canada with an additional 10 percent tariff over a “fraudulent” ad featuring former President Ronald Reagan. This year Trump ...