Today I want to discuss some wildly exciting–and controversial–divining underway about a huge domestic oil field prospect you may have heard of: the Bakken. The Bakken is a rock formation in the Williston Basin, which is a geological area that covers North and South Dakota, the eastern third of Montana and part of the abutting Canadian provinces. Geologists have known since the 1950s that the Bakken contains oil, but they believed there wasn’t much that could be recovered. It’s only been in the past few years that technological advances in the oil industry have made extracting crude oil from...