Stockton, CA gave residents a UBI - here's what happened

What would happen if you gave people $500 a month, no strings attached? Stockton, California set out to answer that question two years ago as one of the first U.S. towns to pilot a Universal Basic Income program. Former Stockton mayor Michael Tubbs joins Hari Sreenivasan to discuss the findings of this social and economic experiment — and what it could mean for America’s future.