President Donald Trump announced he's adding an extra 10% tariff on Canadian imports over a negative TV commercial featuring a speech by President Ronald Reagan.

"Is the new 10% tariff on imports from Canada related to the fentanyl emergency or the reciprocal trade emergency or are hurt feelings also now a national emergency?" ...

Canadian Prime Minister Mark Carney said he told Ontario's premier not to run an anti-tariff ad that prompted President Trump ...

WASHINGTON — President Donald Trump announced he’s ending “all trade negotiations” with Canada because of a television ad sponsored by one of its provinces that used the words of former President ...

The president unilaterally imposed penalties on an ally because a commercial made him feel bad. This isn’t how the process is supposed to work.

Trump attacked the ad on Truth Social Friday posting: “CANADA CHEATED AND GOT CAUGHT!!! They fraudulently took a big buy ad ...

Nine years after Hillary Clinton warned voters about the dangers those who are “provoked by a tweet,” Trump threw a tantrum over a Canadian TV commercial.

WASHINGTON -- President Donald Trump announced he's ending "all trade negotiations" with Canada because of a television ad sponsored by one of its provinces that used the words of former President ...

The latest trade tiff between the U.S. and Canada comes as the two countries face off in a different arena: the World Series.