This episode's headline: Measuring Inflation; Supreme Court Watch; Mars Probe; No Nukes. ANCHOR: JAMES LEHRER; GUESTS: ROBERT GORDON, Northwestern University; DEAN BAKER, Economic Policy Institute; STUART TAYLOR, The American Lawyer; GEN. CHARLES HORNER, U.S. Air Force (Ret.); JAMES SCHLESINGER, Former Secretary of Defense; CORRESPONDENTS: PAUL SOLMAN; SPENCER MICHELS; MARGARET WARNER; ELIZABETH FARNSWORTH; JEFFREY KAYE;