The mystery surrounding the death of a rare white buffalo and the claim by some Lakota Sioux in Texas that it had been killed by other Native Americans deepened Tuesday. A local sheriff announced that investigators believe the animal died of a bacterial disease and said the case is now closed.
The debate over who is considered a minority was brought to the spotlight by the Senate race in Massachusetts. Democratic candidate Elizabeth Warren claimed she had Native American heritage, but there's no records to indicate that. Still, Warren insists that she learned of her background through family stories and that she is proud of her heritage.
Democrat Elizabeth Warren, who is in a tight Senate race in Massachusetts against Republican incumbent Scott Brown, acknowledged for the first time that she told the law schools at Harvard and University of Pennsylvania of her Native American heritage.