Opportunities for cultural enrichment and entertainment on the OCU campus include concerts, play performances, operas, films, sporting events, and seminars by world-renowned speakers and business leaders. Guest speakers at OCU have included Archbishop Desmond Tutu, Nobel prize winner Elie Wiesel, author Kurt Vonnegut, playwright Edward Albee, researcher Jane Goodall, Rabbi Harold Kushner, Sister Helen Prejean, educator and author Jonathan Kozol, Poets Laureate Ted Kooser and Billy Collins, civil rights attorney Morris Dees, journalists Helen Thomas and George Will, U.S. Supreme Court Justice Sandra Day O'Connor, environmental activist Robert F. Kennedy Jr. and politician Karen Hughes.[32]