<http://schema.org/headline>
"Sen. Sheldon Whitehouse to debate Sen. Ted Cruz on CNNs Crossfire Thursday"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.providencejournal.com/breaking-news/content/20131010-sen.-sheldon-whitehouse-to-debate-sen.-ted-cruz-on-cnn-s-crossfire-thursday.ece>