On February 18, 1943, 21 year-old Sophie Scholl placed a stack of anti-Hitler leaflets on a banister overlooking the main hall in the University of Munich. Ensuring in a split-second that that the papers would cascade over all the students as they emerged from their classrooms, Sophie pushed the papers into the air and signed her death warrant. Within moments, having been caught by a miserable janitor looking for his moment of glory, Sophie and her brother Hans, were speeding in a Gestapo car to the interrogations and trial that would deliver them to the guillotine four days later. Sophie...