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…showed last 75 words of 635 total…and a violent child is automatically made a leader for the rest to observe and follow Shanker concedes. Shanker argues that the system is irrational and this is why irate parents demand vouchers and tax credits, anything that could save their children from the few violent children who take hostage the educational system. Rather than the majority of wiling and learning students move out, why not move the few aggressive and troublesome students, Shanker concludes.