Bill Russell speaks at the 50th anniversary of the March on Washington

It was 50 years ago on August 28th, 1963 that Martin Luther King Jr. gave his immortal "I have a dream..." speech.  Celtics legend Bill Russell was among the speakers at a commemorative event held at the National Mall yesterday.  Russell tells of his experience attending King's address from the front row, and says "you only register progress by how far you have to go."

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