It’s a dangerous time to be a Russian oil executive lately, as eight have died since January under suspicious circumstances. Six of them were linked to state-owned giant Gazprom, while the other two were with Lukoil, the second-largest oil company in the country.The most recent oligarch to meet an untimely end was Ravil Maganov, the (now former) chair of the board of directors of Lukoil who apparently fell from a 6-story window at a Moscow hospital on September 1. His company had criticized Russia’s invasion in Ukraine in March. Hmm.This morning Ravil Maganov, head of Lukoil board of directors, fell...