kids. >> john: how do you know if they are learning anything if you don't test them and compare? >> i know they are learning by looking at them in the eye. >> john: they in celebrity support. by matt damon but the rules that make it hard to fire a union teacher. >> there isn't job security. why isn't it like that for teachers? >> you think job insecurity makes me work harder. it's not an incentive. you take this mba style thinking. >> john: mba style, business school idea. well, yes, charter schools, vouchers, obama's race to the top is based on competition is good. if kids can take their money to any school, competition among schools for profit will force all the schools to get better or go out of business. best schools will expand but the unions don't like that market