Catholic universities in the United States have in recent years shown a weakness for cultivating far-leftist anti-Semites and haters of America. Perhaps the best known has been Notre Dame, home of the extremist Kroc Institute, which attempted to sponsor Tariq Ramadan, a Swiss Arab with ties to Al Qaeda, for a three-year professorship. But in many ways, DePaul University is even worse. DePaul is a large, if not particularly academically renowned, Catholic college in Chicago, nominally associated with “Congregation of the Mission,” more popularly known as the Vincentians. Until recently, the main cause of controversy surrounding DePaul was its insistence...