There have been 24 Canadian prime ministers with 13 of them leading coveted majority governments. Mark Carney just became the 14th, but in a singularly unprecedented way: he built it, like some sort of Lego construct. One year after rescuing Canada’s Liberal Party from electoral disaster, Carney has strengthened his hold on power. A year ago this month, Canadians delivered a result that seemed impossible just a few weeks earlier: another Liberal minority government, this time