New York CNN — Columbia University senior Yusuf Hafez was in class in late October when his friend alerted him that his photograph was being shown around the university on a truck under a banner that proclaimed he was among “Columbia’s Leading Antisemites,” according to a recent lawsuit. The conservative nonprofit, Accuracy in Media, also published a website containing his full name, he alleges. He says the website, which CNN has not been able to see independently, falsely claimed he was the president of a student organization that signed a pro-Palestinian letter that called for the university to cut ties...