The arrest and detention of Wahhabist opponents of Saudi Arabia’s 32-year-old Crown Prince, Mohammed bin Salman, points to a major power struggle within the oil-rich kingdom, and may foreshadow a shift in Saudi Arabia towards a more moderate form of Islam. Crown Prince, Mohammed bin Salman Asked about the direction of political and religious reform at a recent Future Investment Initiative in Riyadh, the Crown Prince said: “We were not like this in the past … we want to go back to what we were before, a country of moderate Islam which is open to all religions and to the…