This episode's headline: Making His Case; '92 - Voice of the People; '92 - Gergen & Shields; Epic Ecounter. The guests include DAVID GERGEN, U.S. News & World Report; MARK SHIELDS, Washington Post; CORRESPONDENTS: CHARLAYNE HUNTER-GAULT; RICHARD RODRIGUEZ. Byline: In New York: ROBERT MacNeil; In Washington: JAMES LEHRER