This article was funded with support from Longreads members. * * * No one wore stripes that spring and summer in Leavenworth. Stripes were for rule breakers, and no one was breaking the rules. “Baseball As A Corrective” read the front page of the New York Times that May. It was 1912 and “the magic of baseball” had “wrought a wonderful change in the United States Penitentiary.” For the first time in Leavenworth’s history, for months at a time, everyone behaved, because everyone wanted to play or watch the baseball games. “Chronic trouble makers began to be so good that the…