President Donald Trump ended trade talks with Canada after Ontario aired an ad including comments made by former President Ronald Reagan about tariffs.

President Trump posted Thursday that he was terminating trade talks with Canada after the government of Ontario began running a TV ad in the U.S. featuring an edited version of a speech from former Pr...

Trump claimed the ad was fake and that it had been aired “to interfere with the decision of the U.S. Supreme Court,” which is considering a legal challenge to many of his tariffs.