This episode's headline: Inside Iraq; Hostage Story; Conversation; Summit Sum-Up. The guests include KAREN GLASS, Former Hostage; RICHARD MURPHY, Former State Department Official; ROZANNE RIDGWAY, Former State Department Official; ANDREI KORTUNOV, Foreign Policy Analyst, Soviet Union; PAUL NITZE, Former Arms Control Negotiator; CORRESPONDENTS: JUDY WOODRUFF; CHARLAYNE HUNTER-GAULT. Byline: In New York: ROBERT MacNeil; In Washington: JAMES LEHRER