Khashoggi case has put Saudi prince right where Erdoğan wants him

Turkish president on losing end of regional power struggle with Bin Salman now finds himself in the ascendantAt about noon on Tuesday two regional leaders are due to make landmark addresses. In Riyadh, the de facto ruler of Saudi Arabia, Mohammed bin Salman, will open an investment showpiece declaring the kingdom open for business. In Ankara, the Turkish president, Recep Tayyip Erdoğan, is expected to make a speech that may well shut down the beleaguered kingdom.Such are the stakes when Erd