"Saudi Crown Prince Mohammed bin Salman attends the Future Investment Initiative (FII) conference in Riyadh, on October 24, 2017. The Crown Prince pledged a ""moderate, open"" Saudi Arabia, breaking with ultra-conservative clerics in favour of an image catering to foreign investors and Saudi youth.  ""We are returning to what we were before -- a country of moderate Islam that is open to all religions and to the world,"" he said at the economic forum in Riyadh."