<http://schema.org/headline>
"When Facebook 'Likes' Can Shed Light"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.wsj.com/article_email/SB10001424127887324096404578354533010958940-lMyQjAxMTAzMDEwMTExNDEyWj.html>