Now Playing: 08-17-12 Marketplace

Police in South Africa fired on striking miners yesterday and more than 30 people were killed. We look at how the incident could affect the mining industry. Fannie Mae and Freddie Mac have new bailout repayment terms which could make the government delay some tough decisions. Online auction site eBay is putting a ban on all supernatural products. Kai Ryssdal talks to Jess Walter about his new book "Beautiful Ruins," on 1960s Hollywood and the American Dream. And Sylvester Monroe looks at the difficulties with economic mobility where Chicago's housing projects used to be.