Dominion, Duke Hike to Supreme Court in Trail Dispute

Two energy companies, Dominion and Duke, want to build a pipeline underneath the famed Appalachian Trail, but environmentalists want them to go take a hike. On this episode of Cases and Controversies, we head out to the trail with Bloomberg Environment's Ellen M. Gilmer and find out what this dispute is about and why it's heading all the way to the Supreme Court.