<http://schema.org/headline>
"Watchdog Group Calls Karl Rove's Crossroads GPS Ads Against Shelley Berkley 'Hypocritical'"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.huffingtonpost.com/2012/10/08/karl-rove-crossroads-gps-shelley-berkley_n_1949541.html>