Canada 150: Growing older — and more united?

From the giddy euphoria of Expo 67 to the giant birthday cake on Parliament Hill cut by Queen Elizabeth II 50 years ago today, 1967 is remembered as Canada’s golden age.
It was, as the title of Pierre Burton’s book on the Centennial suggests, “The Last Good Year.”
Montreal — then Canada’s biggest city — basked in pride and optimism, with its sparkling new métro, wealth of corporate head offices and a hockey team that won the Stanley Cup in si