<http://schema.org/mainEntityOfPage>
<http://www.upi.com/Top_News/US/2013/02/07/Brennan-Drone-strikes-last-resort/67451360216800/>
<http://www.upi.com/Top_News/US/2013/02/07/Obama-orders-secret-drone-memo-to-Congress/UPI-67451360216800/>