I came of age in Canada during the Pierre Trudeau years – the Trudeau whom Canadians actually respect – as a high school student from Hong Kong. Back then, Canadian politics meant deliberate independence from the United States. Some Canadians today, especially younger ones, seem amazed that Prime Minister Mark Carney, a Liberal like Trudeau, is charting foreign, defence and economic policies more independent of the US while moving closer to Europe. That is because they grew up in a US-led global...