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Citizenship applicants are sworn-in during a naturalization ceremony September 17, 2012 at the National Archives in Washington, DC. The ceremony was held at the archives in honor of the 225th anniversary of the signing of the US Constitution.
"OBAMA — Racial barrier falls in decisive victory" was the New York Times headline four years ago after Barack Obama won the election. But just how much have racial relations changed since 2008?
That's one of the questions explored in a documentary on PBS called "RACE 2012."
Director Phillip Rodriguez joins the show to talk about the film.