This episode's headline: Medicare - Rhetoric; Nobel Theory; Taking Responsibility; Dialogue - The Politics of Diplomacy. The guests include SUSAN DENTZER, U.S. News & World Report; RICHARD HARRIS, National Public Radio; JAMES BAKER, Former Secretary of State CORRESPONDENTS: KWAME HOLMAN; BETTY ANN BOWSER; DAVID GERGEN; ELIZABETH FARNSWORTH. Byline: In New York: ROBERT MAC NEIL; In Washington: JAMES LEHRER
