Demonstrators of different races and religions from across the country united to take part in the historic march from Selma to Montgomery, Ala., 50 years ago. AP hide caption

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The Martin Luther King, Jr. Memorial in Washington, D.C. Interior Secretary Ken Salazar endorsed a plan Tuesday to remove the disputed "drum major" inscription from the memorial and replace it with a fuller version of the quote. Jacquelyn Martin/AP hide caption

itoggle caption Jacquelyn Martin/AP