Maryland Court of Appeals Chief Judge Robert Bell, center, applauds after unveiling a plaque honoring Dred and Harriet Scott during a ceremony Tuesday, Nov. 17, 2009, in Frederick, Md. City officials placed the plaque about the Supreme Court's 1857 Dred Scott decision affirming slavery near a statue of Roger Brooke Taney, the onetime Frederick lawyer who wrote the inflammatory opinion. AP Photo logo AP Photo 27 months ago

Maryland Court of Appeals Chief Judge Robert Bell, center, applauds after unveiling a plaque honoring Dred and Harriet Scott during a ceremony Tuesday, Nov. 17, 2009, in Frederick, Md. City officials placed the plaque about the Supreme Court's 1857 Dred Scott decision affirming slavery near a statue of Roger Brooke Taney, the onetime Frederick lawyer who wrote the inflammatory opinion.