Saudi Arabia arrests 4 ministers and 11 princes

Saudi Arabia Crown Prince Mohammad bin Salman ordered the arrest of four government ministers and 11 royal princes hours after he was named the head of a new anti-corruption committee. Billionaire prince Alwaleed bin Talal, who has stakes in major U.S. companies like Apple and Twitter, was among those arrested. Gary Sick, a senior research scholar at Columbia University, joins Hari Sreenivasan.