<http://schema.org/description>
"Pittsburgh Mayor Luke Ravenstahl and other officials pledged to challenge the tax exempt status of regional medical giant UPMC. &amp;quot;They&amp;#39;re not a charity,&amp;quot; the mayor said at a press conference. (Video by Kalea Hall; edited by Melissa Tkach; 3/20/2013)"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.post-gazette.com/video?v=2240642480001>