A group of forty former world leaders, including President Bill Clinton and South Africa's President Nelson Mandela, have sounded the alarm on population growth and water scarcity, according to Reuters ("Twenty more "Niles" needed to feed growing population - leaders"). The subject is famililar to Clinton who in 1993 established a Council on Sustainable Development. One of the council's objectives was to chart a path towards the stabilization of U.S. population. Among the immigration-related recommendations . . .