Oil closed at the lowest level since mid-December amid receding concerns that the U.S.-Iran conflict would significantly escalate. On "Bloomberg Commodities Edge", Bloomberg's Alix Steel talks with Hagar Chemali, non-resident senior fellow at the Atlantic Council and former U.S. Treasury spokesperson for terrorism and financial intelligence, and Richard Nephew, senior research scholar at Columbia's Center on Global Energy Policy and formerly served as the lead sanctions expert for the U.S. team negotiating with Iran. (Source: Bloomberg_TV)