Will opportunity zone tax breaks help low-income areas?

The 2017 tax law created more than 8,700 “opportunity zones” around the country, where investors receive tax breaks in exchange for putting money in designated, low-income areas. It’s an approach that, according to its supporters, will spur economic development. But critics say it may not do much for the residents it was designed to help. Hari Sreenivasan reports from Tempe, Arizona.