U.S.-Russian relations took a turn for the worse over the past week after American airstrikes in Syria. U.S. Secretary of State Rex Tillerson is in Moscow this week for discussions. Meanwhile, oil analysts are trying to figure out if the OPEC deal, which hinges on Russian participation, will be extended for another six months. Oilprice.com spoke with Igor Yusufov , a former Russian energy minister and founder of a $3 billion energy investment fund called Fund Energy, to get the latest view from Moscow. Oilprice.com: Only a few months ago, the U.S. and Russia appeared to be on their way to improved relations. But the U.S. airstrikes in Syria looks to have dashed those hopes. What happens next with U.S.-Russian relations? Some political commentators in the U.S. are wondering whether the sudden confrontational approach from the U.S. government towards Russia is an effort to undercut criticisms of alleged ties […]