Oil brings boom times and safety concerns to North Dakota

Aired: 5/11/2014 | 0:09:34 | Clip
In North Dakota an oil boom has transformed the state's economy. Nearly a million barrels of crude come out of the ground each day in the state, and instead of traveling by pipeline, most North Dakota oil goes by rail. But as the industry is projected to grow, a series of catastrophic - and at times deadly - accidents has brought new scrutiny to the practice of hauling oil by rail.