This episode's headline: Sanctions; On the Block - HUD; Gay Marriages; Conversation - World View. ANCHOR: JIM LEHRER; GUESTS: ROBERT HOLLEYMAN, Business Software Alliance; ROBERT A. KAPP, U.S.-China Business Council; HENRY CISNEROS, Secretary, HUD; REP. RICK LAZIO, [R] New York; ROBERT GALLUCCI, Former State Department Official; CORRESPONDENTS: MARGARET WARNER; SPENCER MICHELS; CHARLAYNE HUNTER-GAULT;