<http://schema.org/headline>
"U.S. copter down in Afghanistan; 1 killed"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.upi.com/Top_News/World-News/2013/03/17/US-copter-down-in-Afghanistan-1-killed/UPI-51741363529387/?rel=56431363730040>