BBC NewsTurkey's Erdogan says Russia IS oil trade claims are 'slander'BBC NewsTurkish President Recep Tayyip Erdogan has dismissed Russian claims he is benefiting from the oil trade with the Islamic State group as "slander". Russia ha …

Wall Street JournalIran's Oil Revival Springs a LeakWall Street JournalTEHRAN—Iran's energy industry is plagued by a host of challenges—from leaking pipelines to skeptical western oil investors—as it attempts to throttle up crude output next year w …