Cohen: Environmentalists, feminists must stop demanding perfection

When Voltaire wrote that perfection is the enemy of the good, he was surely speaking of Rachel Notley and the environmentalists. Or Justin Trudeau and the feminists.
Of course he was, even in 1770. Two hundred and fifty years ago, you see, Voltaire could predict the political future of Canada, even as he dismissed it as “a few acres of snow.”
But perfection is what critics demand. In Alberta, the environmentalists went after the New Democrats who imposed a carbon tax, promised to pha