In a year of electoral disappointments for fashion, as the industry aligned itself with losing candidates from Hillary Clinton to Matteo Renzi, there was one unexpected bright spot: Canada. The new prime minister, Justin Trudeau, and his wife, Sophie Grégoire Trudeau, seemed to symbolize modernity and cool, and the fashion world fell under their thrall. When they made their triumphant state visit to Washington, Mrs. Trudeau used the moment to showcase Canadian fashion, thus proving there was such a thing as Canadian fashion. New York, London, Milan, Paris … Toronto? It’s possible.