<http://schema.org/description>
"Political upheaval in the Middle East is largely responsible for some of the increase in oil prices on the global market, a market assessment from Paris said."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.upi.com/Business_News/Energy-Industry/2013/07/12/Geopolitical-factors-causing-oil-price-spike/UPI-25221373630776/?rel=91161376915768>