Globe and Mail: Since the last election, only one party has improved significantly its standing: the Greens. Without seats in the last Parliament and their largely unknown policies, they have roughly doubled their poll numbers to 10 per cent from 5 per cent. Can they sustain these gains, or build on them, by voting day? New Democrats and Liberals had better hope not, since Greens attract voters from these established parties. But they also bring into politics some citizens for whom electoral politics …