<http://schema.org/alternativeHeadline>
"Introducing Karl Rove 2.0 and his new post-propaganda 'astroturfing' industry. His tactic? Funnel oil money into fake grassroots organizations. His goal? Stop climate change legislation."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/green-tech/computers/blogs/david-all-and-the-dark-side-of-social-media>