This episode's headline: Arthur Rudolph: Haunted by the Past; New Hampshire: Voting the Environment; CIA Manual: Improper Conduct?. The guests include In Washington: ALLAN RYAN, Former Director of Special Investigations, Justice Department; Rep. JAMES SHANNON, Democrat, Massachusetts; RAY CLINE, Former Deputy Director, CIA; Reports from NewsHour Correspondents: JAMES LONG (BBC), in London; JEFF GOLDMAN, in New York; GRAHAM LEACH (BBC), in Johannesburg; COKIE ROBERTS (National Public Radio), in New Hampshire; ROGER ROSENBLATT (Time magazine). Byline: In New York: ROBERT MacNEIL, Executive Editor; In Washington: JIM LEHRER, Associate Editor