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/129743" allowfullscreen></iframe> A schoolboy squabble breaks out on Morning Joe when Joe Scarborough seeks to interrupt Chris Matthews' extended exposition on US Senate races.
