This episode's headline: Exchange Students?; Children with AIDS; Losing the Edge. The guests include REP. NANCY PELOSI, [D] California; REP. LAMAR SMITH, [R] Texas; ERICH BLOCH, National Science Foundation; SANFORD KANE, Former IBM Executive; CLAUDE BARFIELD, American Enterprise Institute; CORRESPONDENT: SPENCER MICHELS; ESSAYIST: CLARENCE PAGE. Byline: In Washington: JAMES LEHRER; In New York: JUDY WOODRUFF
