<http://schema.org/headline>
"Michael Irvin to Johnny Manziel's critics: 'Shut up; Shut up'"^^<http://www.w3.org/2001/XMLSchema#string>
<http://sportsday.dallasnews.com/college-sports/collegesheadlines/2013/08/09/michael-irvin-to-johnny-manziel-s-critics-shut-up-shut-up>