President Joe Biden and Saudi Arabia’s de facto ruler, Crown Prince Mohammed bin Salman, could meet for the first time after months of diplomatic heavy lifting. This meeting could represent a turnabout for a US president who once declared Saudi Arabia a “pariah.”President Joe Biden and Saudi Arabia’s de facto ruler, Crown Prince Mohammed bin Salman, could meet for the first time after months of diplomatic heavy lifting. This meeting could represent a turnabout for a US president who once declared Saudi Arabia a “pariah.”