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/51444" allowfullscreen></iframe> President uses primetime press conference to single out GOP South Carolina senator for ‘Waterloo’ comments again; DNC chimes on Obama’s behalf.
