<http://schema.org/headline>
"A.R.T. Announces Revised Casting for &lt;i&gt;Porgy and Bess&lt;/i&gt;, Starring Audra McDonald and Norm Lewis"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.playbill.com/news/article/a.r.t.-announces-revised-casting-for-porgy-and-bess-starring-audra-mcdonald-180561>