It’s been a good few days for Millennium Development Goals. Not one but two targets were reported as met last week, which means that we have reason to celebrate. First, the Economist reported on March 3 that global poverty in 2010 was half the level it was in 1990, meaning that in spite of the worldwide economic downturn, fewer people are living in absolute poverty. And on March 6, the United Nations reported that in 2010, 89...