<http://schema.org/alternativeHeadline>
"Some nonverbal cues, like smiles or visible swallowing, leaked through in each candidate, potentially betraying an emotion or thought."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/earth-matters/politics/stories/presidential-debaters-control-body-language-at-second-debate>