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/1457" allowfullscreen></iframe> Responsive Embed Code Embed Code <iframe title="MRC TV video player" width="640" height="360" src="https://mrctv.org/embed/1457" allowfullscreen></iframe> In today's episode of "Morning Joe" on MSNBC, Chris Matthews characterized people in the press shop for Democratic presidential candidate Hillary Clinton as "knee-cappers" for their hardball tactics.