Former Ku Klux Klan leader David Duke talks to the media at the Louisiana secretary of state's office in Baton Rouge, La., on July 22, after registering to run for the U.S. Senate. "The climate of this country has moved in my direction," Duke said as he announced his candidacy, one day after Donald Trump accepted the GOP nomination for president. Max Becherer/AP hide caption

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David Duke: 'I represent the ideas of preserving this country'

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In this picture released by the FBI and the State of Mississippi Attorney General's Office, the burned-out station wagon that slain civil rights workers James Chaney, Andrew Goodman and Michael Schwerner were driving in is seen in June 1964 in the Bogue Chitto swamp, some 13 miles northeast of Philadelphia, Miss. FBI/State of Mississippi Attorney General's Office/Getty Images hide caption

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Republican presidential candidate Donald Trump signs autographs for supporters at the conclusion of a rally at Millington Regional Jetport on Saturday in Millington, Tenn. Michael B. Thomas/AFP/Getty Images hide caption

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In this Sunday, Jan. 18, 2015, photo, marchers hold up cellular phones to record the rapper Common and singer-songwriter John Legend performing at the foot of the Edmund Pettus Bridge. Brynn Anderson/AP hide caption

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The Racist History Behind The Iconic Selma Bridge

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Actors dressed in full Ku Klux Klan regalia for scenes in 1915's The Birth of a Nation. Hulton Archive/ Getty Images hide caption

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100 Years Later, What's The Legacy Of 'Birth Of A Nation'?

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