How much do you know about the time change? Take our quiz

In January, Alberta premier Danielle Smith issued an extraordinary threat. Unless Prime Minister Mark Carney gave Alberta more influence over judicial appointments, her government would withhold funding from the courts. In an open letter, Smith argued she wanted judges who reflected Alberta’s “distinct legal traditions”—though what those traditions are is unclear. Canada’s system is straightforward: provinces run the courts, Ottawa appoints the judges. This left many observers wondering, “Can she even do that?” Talking points Danielle Smith wants greater independence for Alberta, using...