Many college students in South Korea are enjoying downtime, relieved to wrap up midterm exams. But the nation's elite universities have been left scrambling after it emerged that testing season was marred by a spate of mass cheating incidents involving A.I. Local news media reported that a professor had found that dozens of students may have cheated by using textbooks, computer programs or even ChatGPT during an online midterm examination for a course on ChatGPT.