In 1906 a white lawyer named Dabney Marshall argued a case before the Mississippi Supreme Court demanding the racial integration of juries. He carried out a plan devised by Mississippi's foremost black lawyer of the time: Willis Mollison. Against staggering odds, and with the help of a friendly newspaper editor, he won. How Marshall and his allies were able to force the court to overturn state law and precedent, if only for a brief period, at the...