LBJ Presidential Library Hosts Summit Marking 50 Years Since Civil Rights Act Of 1964 [Getty Images]

AUSTIN, TX - APRIL 10: Protesters gather outside the LBJ Presidential Library where U.S. President Barack Obama was to give the keynote speech on the third day of the Civil Rights Summit at the LBJ Presidential Library April 10, 2014 in Austin, Texas. The summit marks the 50th anniversary of the passing of the Civil Rights Act legislation. (Photo by Ricardo Brazziell-Pool/Getty Images)

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