A high-level executive in Russia’s energy sector has died after apparently falling off a boat over the weekend, becoming the latest Russian powerbroker to perish under mysterious circumstances. Ivan Pechorin, 39, managing director of the Far East and Arctic Development Corporation (ERDC), was sailing off the coast of Russky Island in the Sea of Japan on Saturday when he fell overboard from the speeding vessel. His body was recovered from the water on Monday following an extended search. Only days earlier, Pechorin had attended the Eastern Economic Forum, which was hosted by President Vladimir Putin in Valdivostok. “Ivan’s death is...