This episode's headline: Double Coup; Assessing Damage; On the Stump. The guests include DAVID STEINBERG, Consultant; WILLIAM JONES, Former U.S. Ambassador to Haiti; RICHARD SCHUBERT, American Red Cross; ROBERT SHEETS, National Hurricane Center; SEN. DAN QUAYLE, GOP Vice- Presidential Candidate; CORRESPONDENTS: JOHN FREDENBURG; KWAME HOLMAN; TOM BEARDEN. Byline: In New York: ROBERT MacNeil; In Washington: JAMES LEHRER