Margaret Atwood, Joseph Boyden, and Heather O’Neill revisit characters we have loved — or loved to hate, and David McGimpsey aims his poetic cannon at the Canadian canon; Alex Hutchinson explains how pushing the limits of brain science could bring Canadian marathoners Olympic glory; Sarah Milroy explores the evolving artists’ community in Cape Dorset, Nunavut; James Chatto ponders whether to cheer for his home (England) or adopted (Canada) country during the London Games...