<http://schema.org/image_url>
"http://media.nola.com/politics/photo/victoria-kennedy-harry-reid-christopher-dodd-f97c2f5e676639c4.jpg"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.nola.com/politics/index.ssf/2009/12/us_senate_passes_health_care_o.html>