"The strategy is simple. Once public education is destroyed, over time the vouchers will be cut back to represent a smaller and smaller fraction of the cost of private education. Parents will have to cough up more and more, just like what happened with college tuition between 1980 and today."
http://www.milwaukeeindependent.com/thom-hartmann/war-education-dismantling-public-schools-divides-americans-caste-system/