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/58090" allowfullscreen></iframe> Brian Williams, host of NBC Nightly News, takes a victory lap at the lighting of the 30 Rock Christmas Tree. "Towering" figure in news? Oh man.