Darlene McDonald: How many times must Emmett Till die before we turn the mirror on ourselves?
(Robert A. Davis | Chicago Sun-Times via AP file photo) This May 4, 2005, photo shows Emmett Till's photo on his grave marker in Alsip, Ill.
(Robert A. Davis | Chicago Sun-Times via AP file photo) This May 4, 2005, photo shows Emmett Till's photo on his grave marker in Alsip, Ill.