<http://schema.org/description>
"Dr. Keith Churchwell, Director of Vanderbilt Heart and Vascular Institute talks about stents and gives insight into former President Bill Clinton's heart procedure Thursday, February 11, 2010."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.cbsnews.com/videos/bill-clinton-taken-to-hospital-with-heart-problems/>