Editor’s note: Peter Rutland is professor of government at Wesleyan University and an expert in politics, contemporary nationalism and the economy in Russia. He is a vice president of the Association for the Study of Nationalities, which promotes scholarship in ethnicity, ethnic conflict and nationalism in Europe and Eurasia. The opinions expressed in this commentary are his own. View more opinion on CNN. CNN — The war between Israel and Hamas has caused turmoil on American college campuses, leading to the resignation of the presidents of Harvard and the University of Pennsylvania. Peter Rutland Courtesy Olivia Drake It is unfortunate...