Are we doing enough to safeguard drinking water?

Aired: 8/13/2014 | 0:06:31 | Clip
Recent cases of water contamination, including an algae bloom in Lake Erie and a chemical leak in West Virginia, has stirred new worries about the state of our drinking water. Hari Sreenivasan talks to David Beckman of the Pisces Foundation, who recently wrote an op-ed in The New York Times about drinking water threats.