<http://schema.org/headline>
"Donald Rumsfeld keeps his cool in &amp;lt;i&amp;gt;The Unknown Known&amp;lt;/i&amp;gt;"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.avclub.com/review/donald-rumsfeld-keeps-his-cool-in-the-unknown-know-200629>