3 Accused of Sexual Misconduct Say Colleges Acted Hastily and Assumed Guilt

Peter Yu was a sophomore at Vassar College last semester when he learned that a fellow student had accused him of sexual misconduct for an incident in her dorm room a year before. In a matter of days, he has said, the case was brought before a disciplinary panel of three faculty members—including one from the same department as his accuser's father, a longtime professor at the college. Mr. Yu, who maintains that the encounter with his classmate was consensual, was found responsible and