<http://schema.org/mainEntityOfPage>
<http://www.upi.com/Business_News/Energy-Industry/2013/01/24/Bipartisan-support-grows-for-Keystone-XL/90331359034500/>
<http://www.upi.com/Business_News/Energy-Industry/2013/01/24/Bipartisan-support-grows-for-Keystone-XL/UPI-90331359034500/>