North Dakota oil creates economic opportunities, but at a cost

The Daily Circuit
Ray Gerish, a floor hand for Raven Drilling, works on an oil rig drilling into the Bakken shale formation on July 28, 2013 outside Watford City, North Dakota. Workers for Raven Drilling work twelve hour days fourteen days straight, staying at a camp nearby, followed by fourteen days. (Photo by Andrew Burton/Getty Images)