PRINCETON – In 2000, the world’s leaders met in New York and issued a ringing Millennium Declaration, promising to halve the proportion of people suffering from extreme poverty and hunger by 2015. They also pledged to halve the proportion of people without safe drinking water and sanitation; move toward universal and full primary schooling for children everywhere – girls as well as boys; reduce child mortality by two-thirds and maternal mortality by three-quarters; and combat HIV/AIDS, malaria, and other major diseases.