Black Lives Matter: How 3 words became a movement

The story of how #BlackLivesMatter forced America to confront racism once more using the power of social media, from the activists who helped create it.

Featuring DeRay Mckesson, Opal Tometi and Kwame Rose

Read more about the rise of the movement in 2015: http://on.mash.to/1ScACmk Read more...

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