This episode's headline: Persian Gulf Violence -- Oil Crisis Near?; Mondale's Record; School Desegregation -- Thirty Years Later. The guests include In Washington: DAVID IGNATIUS, Wall Street Journal; WILLIAM BRADFORD REYNOLDS, Justice Department; JACK GREENBERG, Civil Rights Attorney. Byline: In New York: ROBERT MacNEIL, Executive Editor; In Washington: JIM LEHRER, Associate Editor; Reports from NewsHour Correspondents: JUDY WOODRUFF, in Washington