margie vandeven en Missouri files for No Child Left Behind exemption <p>Eleven states have been issued waivers from some provisions of the federal No Child Left Behind Act, but Missouri was not one of them.&nbsp; But as Maria Altman reports, the State Board of Education is trying to change that.</p><p> Tue, 21 Feb 2012 22:20:07 +0000 Maria Altman 9219 at