Prime Minister Justin Trudeau delivers an address at the Laurier Club Holiday Event, an event for supporters of the Liberal Party of Canada, in Gatineau, Que., on Dec. 15.Justin Tang/The Canadian Press All those promises. For a few years, Justin Trudeau’s government seemed to be weighed down by inertia and events. Some decisions kept getting put off for years. But in 2022, there was a little less procrastination, a little more action. That’s not to say Mr. Trudeau isn’t dragging his feet on anything. It has been 16 months since the release of his Liberal election platform promising an additional...