Terry Gross talks with Adam Cohen, author of "Imbeciles," about the American eugenics movement.
Ozone Exceeds Levels 28 Times Over Summer
The beginning of fall usually means the end of the valley’s ozone problem. And this year was a doozy. The metro Phoenix area exceeded federal ozone standards on 23-days. That’s more than twice the average of the past three years. As KJZZ’s Paul Atkinson reports from Phoenix, it’s a problem many of us largely ignore.