Speaking at a Martin Luther King, Jr., holiday event in Columbia, South Carolina, Attorney General Eric Holder said some states have filed lawsuits to challenge provisions of the Voting Rights Act and approved new voting laws that would make it difficult for some minorities to register and cast ballots in 2012, five decades after King and other civil rights leaders fought for access to the ballot box. (Tim Dominick/The State/MCT) Tim Dominick/The State/MCT