want challenged. chairman of the u.s. commission on civil rights, she spoke with us about all of this just a moment ago. thank you very much for coming on. thank you for having me. tucker: what is the purpose of affirmative action? because the goal is to make sure that our colleges and universities have a chance to achieve the diversity that they say that they want for their schools. for the long-standing precedent is that they can use affirmative action if there are no other means to achieve that diversity to be able to satisfy this. tucker: so it is not an attempt to address past wrongs, it is simply for the sake of variety. well, it started as an attempt to make up for past wrongs, budget schools have said that what they want to do is educate students to live in, working, be prepared for an increasingly global society and are to be able to be full participants in the world that they will enter. so achieving diversity is one way of making sure that students