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/66551" allowfullscreen></iframe> On ABC's World News, correspondent Dan Harris went after conservatives on the Texas curriculum board over changes in school textbooks in the state.