<http://schema.org/headline>
"U.S. tax chief testifies in 'Tea Party' probe"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.reuters.com/video/2014/06/20/us-tax-chief-testifies-in-tea-party-prob?videoId=316490989&videoChannel=1&channelName=Top+News>