<http://schema.org/about>
"The Clinton Global Initiative is a gathering of heads of state, businesses, activists, celebrities, and nonprofits from around the world that's designed to foster progress through \"commitments\" -- binding vows to back projects"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/corporate-responsibility/the-7-best-green-initiatives-from-bill-clintons-2010-summit.html>