The number that matters in Trump’s new tariffs on Canada is 2.5, not 50

# Editorial Summary This piece argues that Canada's response to Trump's tariffs has been shaped by the headline 50% rate rather than the economically modest 2.5 percentage point actual impact, leading to counterproductive escalation that undermines Canada's structural advantage as America's least-tariffed supplier. The article's core strength lies in its clear numerical framing and concrete historical examples (provincial embargoes, advertising campaign), though it relies heavily on a single economist quote and offers limited exploration of Ottawa's domestic political constraints or whether es…