<http://schema.org/headline>
"Space shuttle Discovery to move to Smithsonian; astronauts including former Sen John Glenn to appear at ceremony - @AP"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.breakingnews.com/item/2012/04/19/space-shuttle-discovery-to-move-to-smithsonian-astronauts-including-f/>