This episode's headline: Perot's Plan; Vote Smart; Making the Difference. The guests include JOHN WHITE, Perot Adviser; ROBERT REICH, Clinton Economic Adviser; SEN. PHIL GRAMM, [R] Texas; REP. LEON PANETTA, [D] California; CORRESPONDENTS: LEE HOCHBERG; BETTY ANN BOWSER. Byline: In New York: JUDY WOODRUFF; In Washington: JAMES LEHRER