Before Harvard announced sanctions that punish students in single-sex social organizations, one in four undergraduates belonged to sororities, fraternities or all-women’s or all-men’s final clubs—opportunities protected by Title IX and the First Amendment. Starting in the fall of 2018, members of those organizations are, in a word, blacklisted—stripped of opportunities to hold leadership roles in Harvard organizations and athletic teams, and to obtain post-graduate fellowships and scholarships influenced or controlled by Harvard. This decision was made unilaterally and rubber-stamped by the self-selected Corporation board behind closed doors, ignoring protests from students, faculty, parents and organizations.