progress, to suggest as some sometimes do that little has changed, that dishonors the courage and the sacrifice of those who paid the price to march in those years. [ applause ] medger evers, james cheney, andrew goodman, michael schwerner, martin luther king jr., they did not die in vain. their victory was great. but we would dishonor those heroes as well to suggest that the work of this nation is somehow complete. the arc of the moral universe may bend towards justice, but it doesn't bend on its own.