Trump risks the greatest defense partnership in US history

As Donald Trump joins a hostile G7 meeting in Quebec City today, an old friendship is on the line.

Relations between the US and other G7 nations have waxed and waned, but since WWII, Americans and Canadians have slept soundly under the protection of a friendly US-Canadian bond that spans 5,500 miles of border, massive trade ties, and deeply intertwined militaries. When Trump insisted on taxing Canadian steel and aluminum last month, officials in Canada were taken aback. Even more astounding was Trump’s justification of the tariffs as a matter of national security, which Canada’s defense minister Harjit Sajjan described as “literally absurd.”

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