Washington: In a blistering display of personal pique, U.S. President Donald Trump unleashed a fresh economic salvo against Canada on Saturday, vowing to hike import tariffs by an additional 10% unless Ontario scraps its provocative anti-tariff TV ad a spot that daringly repurposed the words of Republican icon Ronald Reagan to skewer Trump’s protectionist playbook.

The spat ignited when the ad, funded by Ontario’s provincial government, aired during Friday’s World Series opener, blasting Trump’s tariffs as a betrayal of free-market ideals. Quoting Reagan’s 1987 address where the Gipper warned that “trade barriers hurt every American worker and consumer” the 30-second clip accused U.S. duties of inflating prices and stifling jobs south of the border. Trump, fuming from aboard Air Force One en route to Malaysia, branded it a “total lie” that “misrepresented” his hero’s legacy, accusing Ontario of deliberate sabotage timed for maximum American viewership.

“That ad should have been pulled immediately, but they let it run last night during the World Series, knowing full well it was a hoax,” Trump thundered in a Truth Social post, announcing the tariff penalty “effective immediately” for what he called “hostile behavior and fake facts.” The outburst came just days after Trump abruptly terminated months of U.S.-Canada trade negotiations on Thursday, citing the same ad as an intolerable affront.

Ontario Premier Doug Ford, a Trump ally turned tariff target, had already pledged to yank the ad post-weekend but defended airing it through the Series’ first two games. “We’re using every tool to fight these unfair tariffs that are crushing our workers and families,” Ford shot back, reposting Reagan’s full speech online to underscore its anti-protectionist thrust. Ford’s defiance echoes broader Canadian outrage: With over 75% of its exports worth $2.7 billion daily flowing to the U.S., the Great White North’s economy is reeling from Trump’s escalating duties, including 35% on most goods, 50% on steel and aluminum, and 10% on energy.

Canadian Prime Minister Mark Carney, scrambling to broker relief, has no immediate meeting slated with Trump at the ASEAN summit in Malaysia a snub the president confirmed with a curt “no plans” to reporters. Carney’s team stayed mum on the latest threat, but back home, fury boiled over on social media, with users branding Trump a “petty toddler” and hailing Ford’s ad as a gutsy truth-bomb. One viral post quipped, “Y’all elected a baby for president now watch the tantrum.”

The White House dodged questions on implementation details when the hike takes effect, or if it applies to all Canadian imports, leaving markets jittery and legal experts scratching their heads over Trump’s invocation of authority. Lower courts have already rebuked his tariff blitz as overreach, with the Supreme Court set to consider arguments next month that could undermine his strategy. Critics, from economists to the Reagan Presidential Foundation (which slammed Ontario for using the clips without permission), warn this ad-fueled feud risks torpedoing the USMCA review and amplifying perceptions of Trump as a bully wielding trade as a personal vendetta.

As the tariff tempest brews, it lays bare the fragility of North American ties: What began as a provincial pushback has snowballed into a bilateral brawl, with billions in bilateral trade – and everyday consumers on both sides – caught in the crossfire. Will Carney’s diplomacy thaw the freeze, or is this the opening salvo in Trump’s promised “America First” sequel? For now, the ball’s in Ottawa’s court – and it’s foul-tipped straight into overtime.