<http://schema.org/headline>
"Are TVIX, Other ETNs Wagging the Tail Of the VIX Dog?"^^<http://www.w3.org/2001/XMLSchema#string>
<http://blogs.wsj.com/marketbeat/2012/03/29/are-tvix-other-etns-wagging-the-tail-of-the-vix-dog/>