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FILE - In this Sunday, Sept. 15, 2019, file photo, former vice president and Democratic presidential candidate Joe Biden attends a service at 16th Street Baptist Church in Birmingham, Ala. Visiting the black church bombed by the Ku Klux Klan in the civil rights era, Democratic presidential candidate Biden said Sunday the country hasn't "relegated racism and white supremacy to the pages of history" as he framed current tensions in the context of the movement's historic struggle for equality. (Ivana Hrynkiw/The Birmingham News via AP, File)