<http://schema.org/about>
"Sunday's \"Iron Chef America\" -- starring Michelle Obama, Mario Batali, Emeril Lagasse, and Bobby Flay -- had the star chefs using vegetables from the White Hous"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/your-home/organic-farming-gardening/videos/michelle-obama-on-iron-chef>