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What is legacy of Martin Luther King's speech?

28 August 2013 Last updated at 06:13 BST

The 50th anniversary of Martin Luther King's historic I Have a Dream speech will be marked on 28 August 2013.

He declared to more than 200,000 civil rights activists that he had a dream of racial tolerance, where people would not be judged by the colour of their skin, but by the content of their character.

US President Barack Obama is among the speakers at a rally on Wednesday to commemorate his famous words.

Rajini Vaidyanathan reports on how the speech resonated with people then and now.

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