AUSTIN -- APRIL 10: LBJ Library director Mark Updegrove, left, gives President Barack Obama, First Lady Michelle Obama, and U.S. Representative John Lewis a tour of the Cornerstones of Civil Rights exhibit at the Civil Rights Summit at the LBJ Presidential Library. (Photo by David Hume Kennerly)Cornerstones of Civil Rights
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/100836534@N04">LBJ Library</a> from Austin
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