Martin Luther King Jr.’s sermon to judge people by the content of their character not by the color of the skin still thunders like a hammer on an anvil today, writes Armstrong Williams.

Federal judge Jerry W. Blackwell stood in the pulpit of Duke Chapel during a Sunday commemoration service for civil rights martyr Rev. Dr. Martin Luther King Jr. and offered a message of healing and unity during one of the most politically and racially polarizing periods in the nation’s history.