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Elizabeth Warren in Iowa: ‘I am not a person of color’
(CNN) -- Sen. Elizabeth Warren was confronted by a voter in Sioux City on Saturday morning over her controversial decision to use a DNA test to prove her claims to Native American ancestry. "I am not a person of color," the Massachusetts Democrat said. "I am not a citizen of a tribe. Tribal citizenship is very different from ancestry. Tribes -- and only tribes -- determine tribal citizenship, and I respect that difference."