This episode's headline: Amtrak: End of the Line?; Shrinking U.S. Paychecks; Castro Maps Returnees' Fate; Red-Faced over Blackjack. The guests include In Washington: Sen. WILLIAM ARMSTRONG, Republican, Colorado; Rep. JAMES FLORIO, Democrat, New Jersey; ROBERT TOBIAS, President, National Treasury; Employees Union; DAVID DENHOLM, President, Public Service; Research Council; Reports from NewsHour Correspondents: KWAME HOLMAN, in Atlanta; MACKENZIE CARPENTER (Pennsylvania Public Television), in Philadelphia. Byline: In New York: CHARLAYNE HUNTER-GAULT, Correspondent; In Washington: JIM LEHRER, Associate Editor