After a parents of a rejected student filed a class action lawsuit, the Department of Education asked a federal judge to overturn a 1974 ruling that set in place quotas to keep the school 40% minority and 60% white. The DOE wants the court to overturn the ruling immediately so the 2008-2009 will be quota-free. Last June, 11-year-old Nikita Rau was denied a place at Coney Island magnet school, Mark Twain School - IS 239.......