<http://schema.org/mainEntityOfPage>
<http://www.upi.com/Top_News/2009/03/08/Obama-Mullen-meet-on-Mexico-violence/54891236512918/>
<http://www.upi.com/Top_News/2009/03/08/Obama-Mullen-meet-on-Mexico-violence/UPI-54891236512918/>