This episode's headline: Under the Influence?; Campaign '96 - Stretching the Numbers; Staying Power; Dialogue. ANCHOR: ELIZABETH FARNSWORTH; GUESTS: HALEY BARBOUR, Chair, Republican National Committee; SEN. CHRISTOPHER DODD, Chair, Democratic National Committee; AYAKO DOI, Japan Digest; MIKE MOCHIZUKI, Brookings Institution; CHRIS BULL, Author; CORRESPONDENTS: KWAME HOLMAN; MARGARET WARNER; PAUL SOLMAN; CHARLES KRAUSE; DAVID GERGEN;