<http://schema.org/caption>
"Carlyle CEO to Comcast CEO: Why aren't you richer?"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.reuters.com/video/2013/03/21/reuters-tv-rubenstein-to-comcasts-roberts-does-it-b?videoId=241778887&videoChannel=117849>