Wells, Lagassé, Rigby. We’ll have this country fixed up in no time.There’s so little you can count on in today’s world, but you can hang your hat on this: observers of Canada’s foreign-policy performance are disappointed. It’s so rare for advocates of a vigorous role for Canada in the world to look around and say, “You know what? This is a new golden age.”Still, hope springs eternal, which is why I was eager to peruse the latest edition of Canada Among Nations, an annual essay collection from Carleton University’s Norman Paterson School of International Affairs. I’m pleased to have two…