This episode's headline: Mexican Connection; Editors' Views - One Hundred Days; Fact or Fiction?. The guests include MICHEL CAMDESSUS, International Monetary Fund; LEE CULLUM, Dallas Morning News; GERALD WARREN, San Diego Union Tribune; ED BAUMEISTER, Trenton Times; PATRICK McGUIGAN, Daily Oklahoman; CLARENCE PAGE, Chicago Tribune; CYNTHIA TUCKER, Atlanta Constitution; CORRESPONDENTS: BETTY ANN BOWSER; PAUL SOLMAN; LEE HOCHBERG. Byline: In New York: ROBERT MAC NEIL; In Washington: JAMES LEHRER