The US president expected Ottawa to bow to tariff demands, but Canada is striking back – and it could cost Americans

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Earlier this year, a survey found that Canada, along with Switzerland, was the best-liked country in the world. We all know this kind of polling is about as scientific as a high school popularity contest, but at least anecdotally, Canadians have a reputation for being friendly and welcoming, respectful and polite. Many people would find it difficult to dislike Canadians.

But not Donald Trump, who in a “hold my beer” moment this week demonstrated that he, at least, finds it easy to resent Canadians. The US president called the country “difficult and unreasonable”, and in a particularly hysterical moment, threatened to rename a lake, after trade talks collapsed.