This episode's headline: Exodus - R; Clinton's Choice; High Hopes. The guests include JULIA TAFT, President, Relief Coalition; ROGER WINTER, U.S. Committee for Refugees;GERALD GAHIMA, Rwandese Patriotic Front; STEPHANE MARCHAND, Le Figaro; MARY CHEH, George Washington Law School; CHARLES FRIED, Harvard Law School; CORRESPONDENTS: CATHERINE BOND; KWAME HOLMAN; GREG HIRAKAWA. Byline: In New York: ROBERT MAC NEIL; In Washington: JAMES LEHRER