Harvard once touted Elizabeth Warren as its first “woman of color” on the law faculty. A DNA test now reveals that one of the senator’s ancestors — six to 10 generations back — may have been Native American. “Conservatives mocked her for releasing a test that indicated she is anywhere between 1/64th and 1/1,024th Native American,” reports the New York Times. The average European American has a trace of Native American and African ancestry. Most African-Americans have European