Yemen on brink of catastrophic famine orchestrated by Saudis

In addition to thousands of civilians in Yemen who have already died in a war between a Saudi-led coalition and Iran-backed Houthi rebels, less documented war tactics may also push the poorest Arab country into a catastrophic famine. Declan Walsh wrote in an interactive essay for The New York Times that the insidious warfare is waging a far greater human toll. Walsh joins Hari Sreenivasan.