Almost all of the population growth in the 21st century will take place in the poorest regions other than Mexico – for example countries of Latin America that have economic and social conditions worse than Mexico and a labor force willing to work for less wages than illegal aliens from Mexico. The poorest regions of the world that face the most population growth include sub-Saharan Africa, other areas of the African continent, and in Central and South Asia. If it’s all a matter of “work that Americans won’t do” and that, so we are told, without such foreign, peasant, servitude...