Marchant: Can Canada's Supreme Court turn down the dissent?

When the Supreme Court of Canada decides a question, its job is to say what the law is.
When a majority of judges agree on the answer – but disagree on the supporting reasons – mixed messaging yields a muddle.
Different supporting opinions of judges are perversely called “concurring,” when they are in fact disagreeing in the most important part of the decision, the majority vote. Judges may also disagree on the answer: those are called “dissenting” opinions.
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