Episode 7: Who Is Saudi Arabia’s Crown Prince Mohammed bin Salman — and What Does He Want?

Known as MBS, the 37-year-old de facto Saudi ruler has ambitious plans to modernize society. But he has also been accused of brutal human rights violations, including ordering the operation that led to the medieval-style death of Saudi journalist Jamal Khashoggi. Should America still be his friend? And with the US now much less dependent on Saudi oil, does it really need to?