<http://schema.org/headline>
"Obama to Speak at Mandela Service in South Africa; Biden at D.C. Service"^^<http://www.w3.org/2001/XMLSchema#string>
<http://blogs.wsj.com/washwire/2013/12/09/biden-to-speak-at-d-c-memorial-service-for-mandela/?mod=WSJBlog>