<http://schema.org/mainEntityOfPage>
<http://www.upi.com/Top_News/US/2011/03/31/Gates-Mullen-quizzed-about-Libya/99901301560200/>
<http://www.upi.com/Top_News/US/2011/03/31/Gates-Mullen-quizzed-about-Libya/UPI-99901301560200/>