<http://schema.org/url>
<http://www.dailynews.com/arts-and-entertainment/20140403/video-david-letterman-tells-late-show-audience-hes-going-to-retire>
<http://www.dailybulletin.com/arts-and-entertainment/20140403/video-david-letterman-tells-late-show-audience-hes-going-to-retire>