Once overwhelmingly dependent on natural gas from Russia and Iran, Turkey is undertaking a strategic overhaul of its natural gas sector that could dramatically lower its reliance on the two nations, widely considered pariahs by the West. Turkey is not only signing a flurry of multi-year LNG deals with multiple suppliers but is also looking to boost domestic production in a move that could see Russia and Iran lose one of their biggest natural gas and crude customers in a few short years. Turkey is Russia's last big market in Europe after the rest…