North Dakota pipeline protest grows violent

Tear gas, concussion grenades, freezing cold water and rubber bullets were deployed against protesters last night and this morning -- not in some country across the seas but in Morton County, North Dakota. That's where hundreds of Native Americans and their supporters have vowed to stop the Dakota Access Pipeline from being tunneled under the Missouri River. Lynda Mapes, environment reporter for the Seattle Times, updates the tense stand-off between water protectors, oil industry developers and the courts.