<http://schema.org/alternativeHeadline>
"A strong salmon run is not only key for communities in the Northwest and Canada, it's also a primary source of food for more than 100 species. NBC's Tom Brokaw reports."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/earth-matters/wilderness-resources/videos/plight-of-pacific-salmon-uncertain>