<http://schema.org/about>
"In the wake of the massive tar sands protest at the White House, I spoke with the green leader about whether the day's events might sway Obama's decision on the Keystone XL."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/fossil-fuels/bill-mckibben-keystone-xl-well-see-if-obamas-oil-guy-or-people-guy-video.html>