<http://schema.org/headline>
"Kristen Wiig, Muppets, Sarah Silverman join Secret Policeman&amp;#039;s Ball"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.digitalspy.com/tv/news/a366208/kristen-wiig-muppets-sarah-silverman-join-secret-policemans-ball/>