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THE BLOOD OF EMMETT TILL
By Timothy B. Tyson
291 pp. Simon & Schuster. $27.
The existence of racial terror is not a singular phenomenon in our country’s national archive. Consider 2015, a feverish June night in South Carolina, when Dylann Roof, feeding off racist conspiracy theories, walke …See the original posting at Emmett Till’s Murder: What Really Happened That Day in the Store?