Ontario's ad criticizing tariffs aired during the World Series, hours after President Donald Trump said he'd slap new tariffs ...

Donald Trump is stewing over an Ontario ad campaign that invoked former President Ronald Reagan to argue against his tariffs.

The measure was in response to what the U.S. president called “misrepresentation” of Ronald Reagan’s comments.

Ontario Premier Doug Ford says he’s pulling the TV ad that caused President Donald Trump to say he was ending trade ...

Trump, who called the ad misleading, had ended trade talks with Ottawa on Thursday, a day before escalating the tariff issue.

Trump ended trade talks with Canada after Ontario aired a Reagan quote in a tariff ad the Reagan Foundation called ...

U.S. President Donald Trump said on Saturday he was increasing tariffs on Canada by an additional 10% “above what they’re ...

A mayor from the Canadian province of Ontario defended an advertisement paid for by his province that includes remarks from ...

President Trump called off trade negotiations with Canada on Thursday after the government of Ontario, the most populous ...

President Donald Trump said he's terminating trade negotiations with Canada citing a negative TV advertisement about tariffs.

President Donald Trump said Saturday he is increasing the tariff on Canada by 10% over current levels, further escalating ...