Former Harvard President Claudine Gay has returned to the Ivy League university nearly three years after resigning amid a sprawling plagiarism scandal and her handling of antisemitism on campus. Gay, whose six-month presidency was the shortest in Harvard’s history, is now teaching students about the institution she once led. According to The Wall Street Journal, Gay will teach a course titled “What is a University?: Purpose and Politics in Higher Education,” which uses Harvard itself as a case study for examining the political and institutional battles surrounding American universities. The selective course, which is limited to just 16 students, examines...