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/40109" allowfullscreen></iframe> Chris Matthews mocks Joe the Plumber for his use of a ghostwriter on his new book on the day Hillary Clinton--who failed to acknowledge her ghostwriter--is in the news.