JTA – Princeton University spent months planning an exhibition of 19th-century American Jewish art before canceling the show because two of its featured artists had supported the Confederacy. The cancellation has drawn criticism from the exhibition’s Jewish donors and advisory historians. They say the decision “rewrites art history.” “I was really shocked that the university took this position,” Leonard Milberg, the Jewish chief economist and art collector who funded the collection, and whose name adorns the gallery where the exhibit was to be displayed, told the Princeton student newspaper. The exhibition was to show the work of Moses Jacob Ezekiel,...