Videos on social media have shown angry drivers in Russia in bitter fights over gasoline as shortages caused by Ukraine’s strikes against oil facilities present an increasing headache for the Kremlin.Kremlin-backed media are reporting the extent of growing queues at the pump, including the newspaper Izvestia, which said gasoline was available at only 28 percent of gas stations, compared with 41 percent a week earlier. Reuters reported August 17 that fuel sales were restricted in at least 10 regions of Russia, that "Rosneft" set a limit of 30 liters per vehicle, "Tatneft" set a limit of 50 liters, and "Gazprom...