This episode's headline: Nicaraguan Controversy: U.S. Options?; James Baker: Looking Ahead; Congress: ""Capitolizing on Power""; Terrel Bell: Calling It Quits. The guests include In Boston: Rep. JAMES SHANNON, Democrat, Massachusetts; In Washington: Rep. HENRY HYDE, Republican, Illionis; ALVIN RUBINSTEIN, Soviet Expert; Dr. NORMAN ORNSTEIN, Political Analyst; TERREL BELL, Secretary of Education; In Santa Barbara: JAMES BAKER, White House Chief of Staff; Reports from NewsHour Correspondents: JOHN SIMPSON (BBC), in Nicaragua; CHARLES KRAUSE, in Nicaragua. Byline: In New York: ROBERT MacNEIL, Executive Editor; In Washington: JIM LEHRER, Associate Editor; JUDY WOODRUFF, Correspondent