This episode's headline: Budget Battle - Back to Work; Travel Probe; Political Wrap; Newsmaker. ANCHOR: JAMES LEHRER; GUESTS: REP. JOHN KASICH, Chairman, Budget Committee; REP. MARTIN SABO, [D] Minnesota; MICHAEL ISIKOFF, Newsweek; MARK SHIELDS, Syndicated Columnist; PAUL GIGOT, Wall Street Journal; GEN. JOHN SHALIKASHVILI, Chairman, Joint Chiefs of Staff; CORRESPONDENTS: KWAME HOLMAN; ELIZABETH FARNSWORTH; CHARLAYNE HUNTER-GAULT; MARGARET WARNER