President Trump claimed Canada ran an ad featuring former President Ronald Reagan talking about tariffs to influence a pending U.S. Supreme Court case.

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

WASHINGTON -- Prices for home appliances, cars and auto parts could be impacted by President Donald Trump's decision overnight to end trade talks between the U.S. and Canada, some trade experts told ...

President Donald Trump’s tariffs are controversial among conservatives, just as they were for Ronald Reagan in the 1980s. Free-traders argue tariffs are a drag on the economy and a tax on consumers ...