Video
Unknown · 0:00
In Iowa, high cancer rates are now a major campaign issue, with candidates in both parties tying them to farm nitrate pollution in drinking water. This NBC News segment shows the issue through farmers and patients, an...
Unknown · 0:00
In Iowa, high cancer rates are now a major campaign issue, with candidates in both parties tying them to farm nitrate pollution in drinking water. This NBC News segment shows the issue through farmers and patients, an...
Redirecting...