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://www.mrctv.org/embed/118948" allowfullscreen></iframe> CNN media critic Howard Kurtz defended Bob Costas' decision to rail against the "gun culture" in America. Kurtz said that politics shouldn't be separated from politics and sportscasters must bring politics into sports coverage more often.