This episode's headline: Day in Court; Contra Connection; News Maker; Kansas City Killings. The guests include In Washington: NINA TOTENBERG, National Public Radio; SEN. ORRIN HATCH, [R] Utah; YITZHAK SHAMIR, Prime Minister, Israel; In New York: EDMUND MUSKIE, Tower Commission; ESSAYIST: JIM FISHER. Byline: In New York: ROBERT MacNEIL, Executive Editor; In Washington: JUDY WOODRUFF, Chief Washington Correspondent