Contradictory messages about women's fertility are breeding like rabbits this week. In largely-Catholic Brazil, the government is subsidizing birth control pills so poor women can afford the contraceptive, despite a recent visit by Pope Benedict XVI, who mainly used his time to condemn abortion, contraception and sex outside marriage. In China, officials are rounding up rural, pregnant women and conducting forced abortions to enforce the mandatory one child policy. In Canada, on the other hand, I'm the problem. Thirty-something. Childless. And a threat to Canada's future economic well being. The nation's fertility rate has plummeted to 1.53 children per woman,...