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/70604" allowfullscreen></iframe> David Letterman took a jab at Bill O'Reilly while talking to Rachel Maddow on his show.
