Donald Trump says he's concerned, the Vice President says he's 'troubled' by his disappearance. And America's top diplomat is urging Saudi allies to be open about what happened.
The mystery puts the spotlight on the Trump administration's close relations with Riyadh.
Presenter: Hoda Abdel-Hamid | Guests: Richard Murphy - Former U.S. envoy to Saudi Arabia; Khalil Jahshan - Exective Director, Arab Center, Washington; Marwan Kabalan - Director of Policy Analysis, Arab Centre for Research & Policy Studies, Doha
