<http://schema.org/about>
"Why worry about keeping church and state separate when  oil and automobiles already poison North American political culture?  Here's the latest dustup:- a trade war threat by a Canadian official against US presidential candidates.  Analysis by"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/corporate-responsibility/canadian-official-threatens-obama-and-clinton-with-cutting-off-tar-sands-oil.html>