Tribal head who led Dakota Access pipeline fight voted out

Standing Rock Sioux Tribal Chairman David Archambault.
Standing Rock Sioux Tribal Chair Dave Archambault sits for a portrait in his office in Fort Yates, N.D., on Aug. 31, 2017. Archambault, who led the fight against the Dakota Access oil pipeline, has been voted out of office.
Evan Frost | MPR News file