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/2114" allowfullscreen></iframe> Chris Matthews, who has repeatedly praised Barack Obama, expressed "concern" that his rival, Hillary Clinton, could do better than expected in the Pennsylvania primary.
