Harvard students, alumni and employees participate in a “defend diversity” rally in support of Affirmative Action in Harvard Square in Cambridge, Mass. in October.

Harvard students, alumni and employees participate in a "defend diversity" rally in support of Affirmative Action in Harvard Square in Cambridge, Mass. in October.

Harvard students, alumni and employees participate in a “defend diversity” rally in support of Affirmative Action in Harvard Square in Cambridge, Mass. in October.

Harvard students, alumni and employees participate in a “defend diversity” rally in support of Affirmative Action in Harvard Square in Cambridge, Mass. in October.