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/108362" allowfullscreen></iframe> Responsive Embed Code Embed Code <iframe title="MRC TV video player" width="640" height="360" src="https://www.mrctv.org/embed/108362" allowfullscreen></iframe> MSNBC's Chris Matthews apologized for his network's "appalling lack of judgment" in linking Mitt Romney's "Keep America American" slogan to an old KKK expression.