A comprehensive look at voter behavior and demographics reveals a momentous prospect: A Hispanic electorate that votes en masse, allies itself with one political party and changes America's political balance for decades.
Public debate has been dominated by the belief that education builds human capital, causing increased income, health and political participation, among many positive outcomes. But new research suggests that costly expansions of education may not always bring the promised social results. In some cases, those expansions may do little but sort people according to their native ability.