To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Share Embed Share URL Video File Node URL Embed Code <iframe title="MRC TV video player" width="640" height="360" src="https://mrctv.org/embed/53315" allowfullscreen></iframe> Responsive Embed Code Embed Code <iframe title="MRC TV video player" width="640" height="360" src="https://mrctv.org/embed/53315" allowfullscreen></iframe> U.S. Education Secretary Arne Duncan said he is a fan of "good" charter schools, not all charter schools, and those that are not performing should be closed down.