Presidential candidate Warren apologizes to Native Americans

SIOUX CITY, Iowa (CNN) - Democratic presidential candidate Elizabeth Warren apologized for her previous characterizations of her identity while speaking to indigenous groups in Sioux City, Iowa.

Elizabeth Warren spoke at a Native American forum, apologizing for the controversy surrounding her heritage. (EllizabethForMA/Flickr/CC BY 2.0)

Warren and other presidential candidates were in Sioux City for a forum sponsored by the Native American political activist group Four Directions.