<http://schema.org/headline>
"The Big Push: Join Arianna, Bono, Charlize, Others In Fight Against HIV, Tuberculosis, Malaria (PHOTOS)"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.huffingtonpost.com/2012/09/22/the-big-push_n_1884997.html?1348495543>