It's been a week of nationwide protests, blockades and arrests over the Coastal GasLink pipeline planned in traditional Wet'suwet'en territory in northwestern British Columbia. At the core of this conflict is a long-running dispute over who has authority over the land the pipeline is supposed to run through. Today on Front Burner, CBC's Duncan McCue offers a close look at the pivotal 1997 court case that set the stage for this dispute: Delgamuukw vs. British Columbia.