<http://schema.org/description>
"Speaking at Carnegie Mellon University, President Barack Obama laid out campaign themes he&amp;#39;s been hitting on his &amp;quot;Betting On America&amp;quot; bus tour.  A crowd of about 6,500 gathered on the College of Fine Arts lawn. (Video by Andrew Rush; 7/6/2012)"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.post-gazette.com/video/?v=1724154704001>